diff --git a/packages/server/src/api/controllers/Cashflow/GetCashflowTransaction.ts b/packages/server/src/api/controllers/Cashflow/GetCashflowTransaction.ts
index 393cdfcf9..c7d57105c 100644
--- a/packages/server/src/api/controllers/Cashflow/GetCashflowTransaction.ts
+++ b/packages/server/src/api/controllers/Cashflow/GetCashflowTransaction.ts
@@ -49,7 +49,7 @@ export default class GetCashflowAccounts extends BaseController {
    * @param {NextFunction} next
    */
   private getCashflowTransaction = async (
-    req: Request,
+    req: Request<{ transactionId: number }>,
     res: Response,
     next: NextFunction
   ) => {
@@ -76,13 +76,17 @@ export default class GetCashflowAccounts extends BaseController {
    * @param {NextFunction} next
    */
   private async getMatchedTransactions(
-    req: Request<{ transactionId: number }>,
+    req: Request<
+      { transactionId: number },
+      null,
+      null,
+      { uncategorizeTransactionsIds: Array<number> }
+    >,
     res: Response,
     next: NextFunction
   ) {
     const { tenantId } = req;
-    const uncategorizeTransactionsIds: Array<number> =
-      req.query.uncategorizeTransactionsIds;
+    const uncategorizeTransactionsIds = req.query.uncategorizeTransactionsIds;
     const filter = this.matchedQueryData(req) as GetMatchedTransactionsFilter;
 
     try {
diff --git a/packages/server/src/api/controllers/Cashflow/NewCashflowTransaction.ts b/packages/server/src/api/controllers/Cashflow/NewCashflowTransaction.ts
index 51f45396a..5e204ca12 100644
--- a/packages/server/src/api/controllers/Cashflow/NewCashflowTransaction.ts
+++ b/packages/server/src/api/controllers/Cashflow/NewCashflowTransaction.ts
@@ -167,7 +167,7 @@ export default class NewCashflowTransactionController extends BaseController {
    * @param {NextFunction} next
    */
   private revertCategorizedCashflowTransaction = async (
-    req: Request,
+    req: Request<{ id: number }>,
     res: Response,
     next: NextFunction
   ) => {
@@ -280,7 +280,7 @@ export default class NewCashflowTransactionController extends BaseController {
    * @param {NextFunction} next
    */
   public getUncategorizedCashflowTransactions = async (
-    req: Request,
+    req: Request<{ id: number }>,
     res: Response,
     next: NextFunction
   ) => {
diff --git a/packages/server/src/services/Banking/Matching/GetMatchedTransactionsByType.ts b/packages/server/src/services/Banking/Matching/GetMatchedTransactionsByType.ts
index df35a9d9b..5d39c0740 100644
--- a/packages/server/src/services/Banking/Matching/GetMatchedTransactionsByType.ts
+++ b/packages/server/src/services/Banking/Matching/GetMatchedTransactionsByType.ts
@@ -44,7 +44,7 @@ export abstract class GetMatchedTransactionsByType {
   }
 
   /**
-   *
+   * Creates the common matched transaction.
    * @param {number} tenantId
    * @param {Array<number>} uncategorizedTransactionIds
    * @param {IMatchTransactionDTO} matchTransactionDTO
diff --git a/packages/server/src/services/Banking/Matching/MatchTransactions.ts b/packages/server/src/services/Banking/Matching/MatchTransactions.ts
index c1604d9c1..5a28dd0b1 100644
--- a/packages/server/src/services/Banking/Matching/MatchTransactions.ts
+++ b/packages/server/src/services/Banking/Matching/MatchTransactions.ts
@@ -54,7 +54,8 @@ export class MatchBankTransactions {
     const uncategorizedTransactions =
       await UncategorizedCashflowTransaction.query()
         .whereIn('id', uncategorizedTransactionIds)
-        .withGraphFetched('matchedBankTransactions');
+        .withGraphFetched('matchedBankTransactions')
+        .throwIfNotFound();
 
     // Validates the uncategorized transaction is not already matched.
     validateUncategorizedTransactionsNotMatched(uncategorizedTransactions);