diff --git a/handler/transaction.go b/handler/transaction.go
index 089b2a2..8bb27a0 100644
--- a/handler/transaction.go
+++ b/handler/transaction.go
@@ -3,12 +3,14 @@ package handler
 import (
 	"net/http"
 	"spend-sparrow/handler/middleware"
+	"spend-sparrow/log"
 	"spend-sparrow/service"
 	t "spend-sparrow/template/transaction"
 	"spend-sparrow/types"
 	"spend-sparrow/utils"
 
 	"github.com/a-h/templ"
+	"github.com/google/uuid"
 )
 
 type Transaction interface {
@@ -37,9 +39,28 @@ func (h TransactionImpl) Handle(r *http.ServeMux) {
 	r.Handle("GET /transaction", h.handleTransactionPage())
 	r.Handle("GET /transaction/{id}", h.handleTransactionItemComp())
 	r.Handle("POST /transaction/{id}", h.handleUpdateTransaction())
+	r.Handle("POST /transaction/recalculate", h.handleRecalculate())
 	r.Handle("DELETE /transaction/{id}", h.handleDeleteTransaction())
 }
 
+func (h TransactionImpl) handleRecalculate() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		user := middleware.GetUser(r)
+		if user == nil {
+			utils.DoRedirect(w, r, "/auth/signin")
+			return
+		}
+
+		err := h.s.RecalculateBalances(user)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		utils.TriggerToastWithStatus(w, r, "success", "Balances recalculated", http.StatusOK)
+	}
+}
+
 func (h TransactionImpl) handleTransactionPage() http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		user := middleware.GetUser(r)
@@ -66,7 +87,9 @@ func (h TransactionImpl) handleTransactionPage() http.HandlerFunc {
 			return
 		}
 
-		comp := t.Transaction(transactions, accounts, treasureChests)
+		accountMap, treasureChestMap := h.getTransactionData(accounts, treasureChests)
+
+		comp := t.Transaction(transactions, accountMap, treasureChestMap)
 		h.r.RenderLayout(r, w, comp, user)
 	}
 }
@@ -108,7 +131,8 @@ func (h TransactionImpl) handleTransactionItemComp() http.HandlerFunc {
 		if r.URL.Query().Get("edit") == "true" {
 			comp = t.EditTransaction(transaction, accounts, treasureChests)
 		} else {
-			comp = t.TransactionItem(transaction)
+			accountMap, treasureChestMap := h.getTransactionData(accounts, treasureChests)
+			comp = t.TransactionItem(transaction, accountMap, treasureChestMap)
 		}
 		h.r.Render(r, w, comp)
 	}
@@ -150,7 +174,20 @@ func (h TransactionImpl) handleUpdateTransaction() http.HandlerFunc {
 			}
 		}
 
-		comp := t.TransactionItem(transaction)
+		accounts, err := h.account.GetAll(user)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		treasureChests, err := h.treasureChest.GetAll(user)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		accountMap, treasureChestMap := h.getTransactionData(accounts, treasureChests)
+		comp := t.TransactionItem(transaction, accountMap, treasureChestMap)
 		h.r.Render(r, w, comp)
 	}
 }
@@ -172,3 +209,22 @@ func (h TransactionImpl) handleDeleteTransaction() http.HandlerFunc {
 		}
 	}
 }
+
+func (h TransactionImpl) getTransactionData(accounts []*types.Account, treasureChests []*types.TreasureChest) (map[uuid.UUID]string, map[uuid.UUID]string) {
+	accountMap := make(map[uuid.UUID]string, 0)
+	for _, account := range accounts {
+		accountMap[account.Id] = account.Name
+	}
+	treasureChestMap := make(map[uuid.UUID]string, 0)
+	root := ""
+	for _, treasureChest := range treasureChests {
+		if treasureChest.ParentId == uuid.Nil {
+			root = treasureChest.Name + " > "
+			treasureChestMap[treasureChest.Id] = treasureChest.Name
+		} else {
+			treasureChestMap[treasureChest.Id] = root + treasureChest.Name
+		}
+	}
+	log.Info("treasureChestMap: %v", treasureChestMap)
+	return accountMap, treasureChestMap
+}
diff --git a/migration/005_transaction_add_error.up.sql b/migration/005_transaction_add_error.up.sql
new file mode 100644
index 0000000..11fd775
--- /dev/null
+++ b/migration/005_transaction_add_error.up.sql
@@ -0,0 +1,2 @@
+
+ALTER TABLE "transaction" ADD COLUMN error TEXT;
diff --git a/service/transaction.go b/service/transaction.go
index 5baeb23..69b60d7 100644
--- a/service/transaction.go
+++ b/service/transaction.go
@@ -31,6 +31,8 @@ type Transaction interface {
 	Get(user *types.User, id string) (*types.Transaction, error)
 	GetAll(user *types.User) ([]*types.Transaction, error)
 	Delete(user *types.User, id string) error
+
+	RecalculateBalances(user *types.User) error
 }
 
 type TransactionImpl struct {
@@ -62,13 +64,24 @@ func (s TransactionImpl) Add(user *types.User, transactionInput types.Transactio
 	}
 
 	r, err := s.db.NamedExec(`
-		INSERT INTO "transaction" (id, user_id, account_id, treasure_chest_id, value, timestamp, note, created_at, created_by)
-		VALUES (:id, :user_id, :account_id, :treasure_chest_id, :value, :timestamp, :note, :created_at, :created_by)`, transaction)
+		INSERT INTO "transaction" (id, user_id, account_id, treasure_chest_id, value, timestamp, note, error, created_at, created_by)
+		VALUES (:id, :user_id, :account_id, :treasure_chest_id, :value, :timestamp, :note, :error, :created_at, :created_by)`, transaction)
 	err = db.TransformAndLogDbError("transaction Insert", r, err)
 	if err != nil {
 		return nil, err
 	}
 
+	if transaction.AccountId != nil {
+		r, err = s.db.Exec(`
+			UPDATE account
+			SET current_balance = current_balance + ?
+			WHERE id = ? AND user_id = ?`, transaction.Value, transaction.AccountId, user.Id)
+		err = db.TransformAndLogDbError("transaction UpdateAccount", r, err)
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	return transaction, nil
 }
 
@@ -93,11 +106,33 @@ func (s TransactionImpl) Update(user *types.User, input types.TransactionInput)
 		return nil, types.ErrInternal
 	}
 
+	if transaction.AccountId != nil {
+		r, err := s.db.Exec(`
+			UPDATE account
+			SET current_balance = current_balance - ?
+			WHERE id = ? AND user_id = ?`, transaction.Value, transaction.AccountId, user.Id)
+		err = db.TransformAndLogDbError("transaction UpdateAccount", r, err)
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	transaction, err = s.validateAndEnrichTransaction(transaction, user.Id, input)
 	if err != nil {
 		return nil, err
 	}
 
+	if transaction.AccountId != nil {
+		r, err := s.db.Exec(`
+			UPDATE account
+			SET current_balance = current_balance + ?
+			WHERE id = ? AND user_id = ?`, transaction.Value, transaction.AccountId, user.Id)
+		err = db.TransformAndLogDbError("transaction UpdateAccount", r, err)
+		if err != nil {
+			return nil, err
+		}
+	}
+
 	r, err := s.db.NamedExec(`
 		UPDATE "transaction"
 		SET
@@ -106,6 +141,7 @@ func (s TransactionImpl) Update(user *types.User, input types.TransactionInput)
 			value = :value,
 			timestamp = :timestamp,
 			note = :note,
+			error = :error,
 			updated_at = :updated_at,
 			updated_by = :updated_by
 		WHERE id = :id
@@ -149,7 +185,7 @@ func (s TransactionImpl) GetAll(user *types.User) ([]*types.Transaction, error)
 		return nil, ErrUnauthorized
 	}
 	transactions := make([]*types.Transaction, 0)
-	err := s.db.Select(&transactions, `SELECT * FROM "transaction" WHERE user_id = ? ORDER BY timestamp`, user.Id)
+	err := s.db.Select(&transactions, `SELECT * FROM "transaction" WHERE user_id = ? ORDER BY timestamp DESC`, user.Id)
 	err = db.TransformAndLogDbError("transaction GetAll", nil, err)
 	if err != nil {
 		return nil, err
@@ -169,7 +205,17 @@ func (s TransactionImpl) Delete(user *types.User, id string) error {
 		return fmt.Errorf("could not parse Id: %w", ErrBadRequest)
 	}
 
-	r, err := s.db.Exec("DELETE FROM \"transaction\" WHERE id = ? AND user_id = ?", uuid, user.Id)
+	r, err := s.db.Exec(`
+		UPDATE account
+		SET current_balance = current_balance - (SELECT value FROM "transaction" WHERE id = ? AND user_id = ?)
+		WHERE id = (SELECT account_id FROM "transaction" WHERE id = ? AND user_id = ?)
+		`, uuid, user.Id, uuid, user.Id)
+	err = db.TransformAndLogDbError("transaction Delete", r, err)
+	if err != nil {
+		return err
+	}
+
+	r, err = s.db.Exec("DELETE FROM \"transaction\" WHERE id = ? AND user_id = ?", uuid, user.Id)
 	err = db.TransformAndLogDbError("transaction Delete", r, err)
 	if err != nil {
 		return err
@@ -178,7 +224,76 @@ func (s TransactionImpl) Delete(user *types.User, id string) error {
 	return nil
 }
 
-func (s TransactionImpl) validateAndEnrichTransaction(transaction *types.Transaction, userId uuid.UUID, input types.TransactionInput) (*types.Transaction, error) {
+func (s TransactionImpl) RecalculateBalances(user *types.User) error {
+	transactionMetric.WithLabelValues("recalculate").Inc()
+	if user == nil {
+		return ErrUnauthorized
+	}
+
+	r, err := s.db.Exec(`
+		UPDATE account
+		SET current_balance = 0
+		WHERE user_id = ?`, user.Id)
+	err = db.TransformAndLogDbError("transaction RecalculateBalances", r, err)
+	if err != nil && err != db.ErrNotFound {
+		return err
+	}
+
+	r, err = s.db.Exec(`
+		UPDATE treasure_chest
+		SET current_balance = 0
+		WHERE user_id = ?`, user.Id)
+	err = db.TransformAndLogDbError("transaction RecalculateBalances", r, err)
+	if err != nil && err != db.ErrNotFound {
+		return err
+	}
+
+	rows, err := s.db.Queryx(`SELECT account_id, treasure_chest_id, value FROM "transaction" WHERE user_id = ?`, user.Id)
+	err = db.TransformAndLogDbError("transaction RecalculateBalances", nil, err)
+	if err != nil && err != db.ErrNotFound {
+		return err
+	}
+	defer func() {
+		err := rows.Close()
+		if err != nil {
+			log.Error("transaction RecalculateBalances: %v", err)
+		}
+	}()
+
+	transaction := &types.Transaction{}
+	for rows.Next() {
+		err = rows.StructScan(transaction)
+		err = db.TransformAndLogDbError("transaction RecalculateBalances", nil, err)
+		if err != nil {
+			return err
+		}
+
+		if transaction.AccountId != nil {
+			r, err = s.db.Exec(`
+				UPDATE account
+				SET current_balance = current_balance + ?
+				WHERE id = ? AND user_id = ?`, transaction.Value, transaction.AccountId, user.Id)
+			err = db.TransformAndLogDbError("transaction RecalculateBalances", r, err)
+			if err != nil {
+				return err
+			}
+		}
+		if transaction.TreasureChestId != nil {
+			r, err = s.db.Exec(`
+				UPDATE treasure_chest
+				SET current_balance = current_balance + ?
+				WHERE id = ? AND user_id = ?`, transaction.Value, transaction.TreasureChestId, user.Id)
+			err = db.TransformAndLogDbError("transaction RecalculateBalances", r, err)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s TransactionImpl) validateAndEnrichTransaction(oldTransaction *types.Transaction, userId uuid.UUID, input types.TransactionInput) (*types.Transaction, error) {
 
 	var (
 		id                uuid.UUID
@@ -193,7 +308,7 @@ func (s TransactionImpl) validateAndEnrichTransaction(transaction *types.Transac
 		rowCount int
 	)
 
-	if transaction == nil {
+	if oldTransaction == nil {
 		id, err = s.random.UUID()
 		if err != nil {
 			return nil, types.ErrInternal
@@ -201,9 +316,9 @@ func (s TransactionImpl) validateAndEnrichTransaction(transaction *types.Transac
 		createdAt = s.clock.Now()
 		createdBy = userId
 	} else {
-		id = transaction.Id
-		createdAt = transaction.CreatedAt
-		createdBy = transaction.CreatedBy
+		id = oldTransaction.Id
+		createdAt = oldTransaction.CreatedAt
+		createdBy = oldTransaction.CreatedBy
 		time := s.clock.Now()
 		updatedAt = &time
 		updatedBy = userId
@@ -274,7 +389,7 @@ func (s TransactionImpl) validateAndEnrichTransaction(transaction *types.Transac
 		}
 	}
 
-	return &types.Transaction{
+	transaction := types.Transaction{
 		Id:     id,
 		UserId: userId,
 
@@ -288,5 +403,21 @@ func (s TransactionImpl) validateAndEnrichTransaction(transaction *types.Transac
 		CreatedBy: createdBy,
 		UpdatedAt: updatedAt,
 		UpdatedBy: &updatedBy,
-	}, nil
+	}
+	error := getErrors(transaction)
+	if error != "" {
+		transaction.Error = &error
+	}
+	return &transaction, nil
+}
+
+func getErrors(transaction types.Transaction) string {
+	if transaction.Value < 0 {
+		// panic("unimplemented")
+	} else if transaction.Value > 0 {
+		// panic("unimplemented")
+	} else {
+		return "\"value\" needs to be positive or negative"
+	}
+	return ""
 }
diff --git a/template/account/account.templ b/template/account/account.templ
index 5d9c595..2f6a7d1 100644
--- a/template/account/account.templ
+++ b/template/account/account.templ
@@ -13,7 +13,7 @@ templ Account(accounts []*types.Account) {
 			class="ml-auto button button-primary px-2 flex-1 flex items-center gap-2 justify-center"
 		>
 			@svg.Plus()
-			<p class="">New Account</p>
+			<p>New Account</p>
 		</button>
 		<div id="account-items" class="my-6 flex flex-col items-center">
 			for _, account := range accounts {
@@ -80,7 +80,11 @@ templ AccountItem(account *types.Account) {
 	<div id="account" class="border-1 border-gray-300 w-full my-4 p-4 bg-gray-50 rounded-lg">
 		<div class="text-xl flex justify-end gap-4">
 			<p class="mr-auto">{ account.Name }</p>
-			<p class="mr-20 text-green-700">{ displayBalance(account.CurrentBalance) }</p>
+			if account.CurrentBalance < 0 {
+				<p class="mr-20 text-red-700">{ displayBalance(account.CurrentBalance) }</p>
+			} else {
+				<p class="mr-20 text-green-700">{ displayBalance(account.CurrentBalance) }</p>
+			}
 			<button
 				hx-get={ "/account/" + account.Id.String() + "?edit=true" }
 				hx-target="closest #account"
diff --git a/template/auth/user.templ b/template/auth/user.templ
index 593b02f..72b8a27 100644
--- a/template/auth/user.templ
+++ b/template/auth/user.templ
@@ -11,16 +11,24 @@ templ UserComp(user string) {
 						<path d="M9.293 12.95l.707.707L15.657 8l-1.414-1.414L10 10.828 5.757 6.586 4.343 8z"></path>
 					</svg>
 				</button>
-				<div class="absolute hidden group-has-hover:block w-full">
+				<div class="absolute hidden group-has-hover:block w-full z-2">
 					<ul class="w-fit float-right mr-4 p-3 border-2 border-gray-200 rounded-lg bg-white shadow-lg">
 						<li class="mb-1">
 							<a class="button w-full px-1 button-neglect block" hx-post="/api/auth/signout" hx-target="#user-info">Sign Out</a>
 						</li>
-						<li class="mb-1">
+						<li class="mb-4">
 							<a class="button w-full px-1 button-neglect block" href="/auth/change-password">Change Password</a>
 						</li>
+						<li class="mb-4">
+							<button
+								hx-post="/transaction/recalculate"
+								hx-swap="none"
+								type="button"
+								class="button text-left w-full px-1 button-neglect block mt-4"
+							>Recalculate</button>
+						</li>
 						<li>
-							<a class="button w-full px-1 button-neglect text-gray-400 mt-4 block" href="/auth/delete-account" class="">
+							<a class="button w-full px-1 button-neglect text-gray-400 block" href="/auth/delete-account">
 								Delete
 								Account
 							</a>
diff --git a/template/dashboard.templ b/template/dashboard.templ
index 700d65d..54ef258 100644
--- a/template/dashboard.templ
+++ b/template/dashboard.templ
@@ -1,7 +1,7 @@
 package template
 
 templ Dashboard() {
-	<div class="">
+	<div>
 		<h1 class="text-8xl">
 			Dashboard
 		</h1>
diff --git a/template/svg/default.templ b/template/svg/default.templ
index b008873..587dfe3 100644
--- a/template/svg/default.templ
+++ b/template/svg/default.templ
@@ -35,3 +35,15 @@ templ Cancel() {
 		<path fill="currentColor" d="m654 501l346 346l-154 154l-346-346l-346 346L0 847l346-346L0 155L154 1l346 346L846 1l154 154z"></path>
 	</svg>
 }
+
+templ Info() {
+	<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" class="h-6 w-6 text-blue-700">
+		<mask id="ipSInfo0">
+			<g fill="none">
+				<path fill="#fff" stroke="#fff" stroke-linejoin="round" stroke-width="4" d="M24 44a19.937 19.937 0 0 0 14.142-5.858A19.937 19.937 0 0 0 44 24a19.938 19.938 0 0 0-5.858-14.142A19.937 19.937 0 0 0 24 4A19.938 19.938 0 0 0 9.858 9.858A19.938 19.938 0 0 0 4 24a19.937 19.937 0 0 0 5.858 14.142A19.938 19.938 0 0 0 24 44Z"></path>
+				<path fill="#000" fill-rule="evenodd" d="M24 11a2.5 2.5 0 1 1 0 5a2.5 2.5 0 0 1 0-5Z" clip-rule="evenodd"></path><path stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="4" d="M24.5 34V20h-2M21 34h7"></path>
+			</g>
+		</mask>
+		<path fill="currentColor" d="M0 0h48v48H0z" mask="url(#ipSInfo0)"></path>
+	</svg>
+}
diff --git a/template/transaction/transaction.templ b/template/transaction/transaction.templ
index a554d55..59965a5 100644
--- a/template/transaction/transaction.templ
+++ b/template/transaction/transaction.templ
@@ -6,7 +6,8 @@ import "spend-sparrow/template/svg"
 import "spend-sparrow/types"
 import "github.com/google/uuid"
 
-templ Transaction(transactions []*types.Transaction, accounts []*types.Account, treasureChests []*types.TreasureChest) {
+templ Transaction(transactions []*types.Transaction, accounts, treasureChests map[uuid.UUID]string) {
+	{{  }}
 	<div class="max-w-6xl mt-10 mx-auto">
 		<button
 			hx-get="/transaction/new"
@@ -15,11 +16,11 @@ templ Transaction(transactions []*types.Transaction, accounts []*types.Account,
 			class="ml-auto button button-primary px-2 flex-1 flex items-center gap-2 justify-center"
 		>
 			@svg.Plus()
-			<p class="">New Transaction</p>
+			<p>New Transaction</p>
 		</button>
-		<div id="transaction-items" class="my-6 flex flex-col items-center">
+		<div id="transaction-items" class="my-6">
 			for _, transaction := range transactions {
-				@TransactionItem(transaction)
+				@TransactionItem(transaction, accounts, treasureChests)
 			}
 		</div>
 	</div>
@@ -137,34 +138,65 @@ templ EditTransaction(transaction *types.Transaction, accounts []*types.Account,
 	</div>
 }
 
-templ TransactionItem(transaction *types.Transaction) {
-	<div id="transaction" class="border-1 border-gray-300 w-full my-4 p-4 bg-gray-50 rounded-lg">
-		<div class="text-xl flex justify-end gap-4">
-			<p class="mr-auto datetime">{ transaction.Timestamp.String() }</p>
-			<p class="mr-20 text-green-700">{ displayBalance(transaction.Value)+" €" }</p>
-			<button
-				hx-get={ "/transaction/" + transaction.Id.String() + "?edit=true" }
-				hx-target="closest #transaction"
-				hx-swap="outerHTML"
-				class="button button-neglect px-1 flex items-center gap-2"
-			>
-				@svg.Edit()
-				<span>
-					Edit
-				</span>
-			</button>
-			<button
-				hx-delete={ "/transaction/" + transaction.Id.String() }
-				hx-target="closest #transaction"
-				hx-swap="outerHTML"
-				class="button button-neglect px-1 flex items-center gap-2"
-			>
-				@svg.Delete()
-				<span>
-					Delete
-				</span>
-			</button>
+templ TransactionItem(transaction *types.Transaction, accounts, treasureChests map[uuid.UUID]string) {
+	{{
+		background := "bg-gray-50"
+		if transaction.Error != nil {
+			background = "bg-yellow-50"
+		}
+	}}
+	<div
+		id="transaction"
+		class={ "mt-4 border-1 grid grid-cols-[auto_auto_1fr_1fr_auto_auto_auto] gap-4 items-center text-xl border-gray-300 w-full p-4 rounded-lg " + background }
+		if transaction.Error != nil {
+			title={ *transaction.Error }
+		}
+	>
+		<p class="mr-auto datetime">{ transaction.Timestamp.String() }</p>
+		<div class="w-6">
+			if transaction.Error != nil {
+				@svg.Info()
+			}
 		</div>
+		<div>
+			<p class="text-sm text-gray-500">
+				if transaction.AccountId != nil {
+					{ accounts[*transaction.AccountId] }
+				} else {
+					&nbsp;
+				}
+			</p>
+			<p class="text-sm text-gray-500">
+				if transaction.TreasureChestId != nil {
+					{ treasureChests[*transaction.TreasureChestId] }
+				} else {
+					&nbsp;
+				}
+			</p>
+		</div>
+		<p class="mr-20 text-green-700">{ displayBalance(transaction.Value)+" €" }</p>
+		<button
+			hx-get={ "/transaction/" + transaction.Id.String() + "?edit=true" }
+			hx-target="closest #transaction"
+			hx-swap="outerHTML"
+			class="button button-neglect px-1 flex items-center gap-2"
+		>
+			@svg.Edit()
+			<span>
+				Edit
+			</span>
+		</button>
+		<button
+			hx-delete={ "/transaction/" + transaction.Id.String() }
+			hx-target="closest #transaction"
+			hx-swap="outerHTML"
+			class="button button-neglect px-1 flex items-center gap-2"
+		>
+			@svg.Delete()
+			<span>
+				Delete
+			</span>
+		</button>
 	</div>
 }
 
@@ -173,3 +205,6 @@ func displayBalance(balance int64) string {
 	euros := float64(balance) / 100
 	return fmt.Sprintf("%.2f", euros)
 }
+
+func calculateReferences() {
+}
diff --git a/template/treasurechest/treasure_chest.templ b/template/treasurechest/treasure_chest.templ
index 8bbdcb3..dcbda2c 100644
--- a/template/treasurechest/treasure_chest.templ
+++ b/template/treasurechest/treasure_chest.templ
@@ -104,7 +104,11 @@ templ TreasureChestItem(treasureChest *types.TreasureChest) {
 	<div id="treasurechest" class={ "border-1 border-gray-300 w-full p-4 bg-gray-50 rounded-lg" + identation }>
 		<div class="text-xl flex justify-end items-center gap-4">
 			<p class="mr-auto">{ treasureChest.Name }</p>
-			<p class="mr-20 text-green-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
+			if treasureChest.CurrentBalance < 0 {
+				<p class="mr-20 text-red-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
+			} else {
+				<p class="mr-20 text-green-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
+			}
 			<button
 				hx-get={ "/treasurechest/" + treasureChest.Id.String() + "?edit=true" }
 				hx-target="closest #treasurechest"
diff --git a/types/transaction.go b/types/transaction.go
index 5ccbb1b..07e48c5 100644
--- a/types/transaction.go
+++ b/types/transaction.go
@@ -26,6 +26,8 @@ type Transaction struct {
 	// The value of the transacion. Negative for outgoing and positive for incoming transactions.
 	Value int64
 
+	// If an error is present, then the transaction is not valid and should not be used for calculations.
+	Error     *string
 	CreatedAt time.Time  `db:"created_at"`
 	CreatedBy uuid.UUID  `db:"created_by"`
 	UpdatedAt *time.Time `db:"updated_at"`