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

SAP Error Message - Details

• 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 notification number is being passed correctly as an input parameter.
  
  Example: If the function module is QM_NOTIFICATION_CREATE, ensure that the notification number is included in the parameters.
  
  
  
  Validate Input Data: Before calling the function module, validate that the notification number variable is populated with a valid value. You can add checks in your code to ensure that the variable is not empty or null.
  
  
  Debugging: Use the SAP debugger to step through the code and check the values being passed to the function module. This can help identify where the notification number is being lost or not set.
  
  
  Check Data Transfer Logic: If the notification number is being fetched from another source (like a database or an external system), ensure that the logic for fetching and passing this number is correct and functioning as expected.
  
  
  Consult Documentation: Review the SAP documentation for the specific function module you are using to understand the required parameters and their expected formats.
  
  
  Error Handling: Implement error handling in your code to catch such issues early and provide meaningful error messages to users or logs for easier troubleshooting.
  
  
  Related Information:
  
  Function Module Documentation: Check the SAP Help Portal or the function module documentation for details on required parameters and their data types.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues or provide patches related to this error.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the QISR504 error and implement a solution to resolve it.