How To Fix IW889 - Internal error occurred: LOOP for screen_leave

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 889

• Message text: Internal error occurred: LOOP for screen_leave

What causes this issue?

An internal error has occurred.

System Response

INCLUDE VERARBEITUNG-ENTER OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

You can continue with your work since the system has solved the problem
itself.
Nevertheless, report the error to SAP AG, and describe in detail the
preceeding dialog steps.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW889 - Internal error occurred: LOOP for screen_leave ?

  The SAP error message IW889, which states "Internal error occurred: LOOP for screen_leave," typically indicates that there is an issue with the screen processing in the SAP system, particularly in the context of transaction IW21 (Create Notification) or similar transactions related to maintenance and service notifications.
  Causes:
  
  Screen Programming Issues: The error may arise from custom screen programming or modifications that lead to an infinite loop during screen processing.
  User Exits or BAdIs: If there are user exits or Business Add-Ins (BAdIs) implemented that manipulate screen behavior, they might be causing unexpected behavior.
  Data Consistency Issues: Inconsistent or corrupted data in the database can lead to unexpected behavior when the system tries to process screens.
  SAP Notes: There may be known issues with specific versions of SAP that have been addressed in SAP Notes.
  
  Solutions:
  
  Check for SAP Notes: Look for any relevant SAP Notes that address this specific error. You can search the SAP Support Portal for IW889 or related keywords.
  Debugging: If you have access to debugging tools, you can try to debug the transaction to identify where the loop is occurring. This may require technical expertise.
  Review Custom Code: If there are any custom enhancements or modifications in the transaction, review them to ensure they are not causing the loop.
  Data Validation: Check the data being processed in the transaction to ensure there are no inconsistencies or corruption.
  Transaction Variants: If you are using transaction variants, ensure they are correctly configured and not causing issues.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with related transaction codes such as IW21 (Create Notification), IW22 (Change Notification), and IW23 (Display Notification).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect it is a bug or a known issue.
  Community Forums: Check SAP Community forums or other SAP-related discussion boards for similar issues and potential solutions shared by other users.
  
  Conclusion:
  The IW889 error can be complex and may require a combination of debugging, reviewing custom code, and checking for SAP Notes to resolve. If you are not able to resolve the issue on your own, involving a technical consultant or SAP support may be necessary.