added modified programs

src/Operations/operations.services.ts

@@ -1,5 +1,6 @@
 import {
   BadRequestException,
+  HttpException,
   Injectable,
   InternalServerErrorException,
 } from '@nestjs/common';
@@ -65,7 +66,12 @@ export class OperationsService {
       return { message: 'correct' };
     } catch (error) {
       await queryRunner.rollbackTransaction();
-      throw new InternalServerErrorException(error.message);
+
+      if (error instanceof HttpException) {
+        throw error;
+      }
+
+      throw new InternalServerErrorException('Error al realizar el cobro');
     } finally {
       await queryRunner.release();
     }