How To Fix STC_TASK026 - Selection screen for ABAP report &1 has changed incompatibly

SAP Error Message - Details

• Message type: E = Error

• Message class: STC_TASK - Task related Messages

• Message number: 026

• Message text: Selection screen for ABAP report &1 has changed incompatibly

Self-Explanatory Message

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• What is the cause and solution for SAP error message STC_TASK026 - Selection screen for ABAP report &1 has changed incompatibly ?

  The SAP error message STC_TASK026 indicates that there has been an incompatible change in the selection screen of an ABAP report. This typically occurs in the context of background jobs or task processing where the selection screen of a report has been modified after the job was scheduled or after the task was created.
  Cause:
  
  Incompatible Changes: The selection screen of the ABAP report has been changed in a way that is not compatible with the previous version. This could include changes to the parameters, data types, or the addition/removal of fields.
  Transport Issues: If the report was transported from one system to another, and the selection screen was modified in the target system, it could lead to this error.
  Version Mismatch: The version of the report being executed may not match the version expected by the task or job.
  
  Solution:
  
  Check the Report: Review the ABAP report in question to identify any changes made to the selection screen. Ensure that the changes are compatible with existing tasks or jobs.
  Recreate the Task: If the selection screen has changed significantly, it may be necessary to recreate the task or job that is using this report. This ensures that the new selection screen is correctly referenced.
  Adjust Parameters: If the selection screen parameters have changed, update the parameters in the task/job definition to match the new selection screen.
  Transport Consistency: Ensure that all relevant transports have been applied consistently across systems. If the report was modified in a development environment, ensure that the changes have been transported to the quality and production environments correctly.
  Check for Dependencies: If the report is dependent on other objects (like function modules, classes, etc.), ensure that those objects are also up to date and compatible.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE38 (ABAP Editor) to view and edit the report, and SM37 (Job Monitoring) to check the status of background jobs.
  Change Logs: Review change logs or transport logs to see what changes were made to the report and when.
  Documentation: Refer to SAP documentation or notes related to the specific report or error message for additional guidance.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.