How To Fix QISR504 - Notification number is missing from the interface of a function module

QISR504 - Overview

• Message type: E = Error

• Message class: QISR - Internal Service Requests

• Message number: 504

• Message text: Notification number is missing from the interface of a function module

What causes this issue?

The message number is missing from the function module interface.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QISR504 - Notification number is missing from the interface of a function module ?

  The SAP error message QISR504 indicates that a notification number is missing from the interface of a function module. This error typically occurs in the context of Quality Management (QM) or related modules where notifications are used for tracking issues, defects, or quality-related tasks.
  
  Cause:
  
  Missing Notification Number: The primary cause of this error is that the function module expects a notification number as an input parameter, but it is not being provided or is being passed as an empty value.
  Incorrect Function Module Call: The function module may be called incorrectly in the ABAP code, leading to the omission of the required notification number.
  Data Transfer Issues: If the notification number is being transferred from another system or interface, there may be issues in the data transfer process that result in the notification number not being populated.
  
  
  Solution:
  
  
  Check Function Module Call: Review the ABAP code where the function module is called. Ensure that the