Adding proper result structure to error return message

misc/BreCalApi.yaml

@@ -943,12 +943,21 @@ components:
           type: integer
     Error:
       type: object
-      required:
+      description: Structure returned when invalid data (bad request) is created.
-        - message
       properties:
         message:
           description: A human readable error message
           type: string
+        errors:
+          description: A list of errors
+          type: array
+          items:
+            type: string
+        valid_data:
+          description: A dictionary of valid data
+          type: object
+      required:
+        - message
     ShipcallType:
       type: string
       enum: