How To Fix DO649 - Program error in &: Illegal mode & in Start_Task in RUTBTPA0

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 649

• Message text: Program error in &: Illegal mode & in Start_Task in RUTBTPA0

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DO649 - Program error in &: Illegal mode & in Start_Task in RUTBTPA0 ?

  The SAP error message DO649, which indicates a "Program error in &: Illegal mode & in Start_Task in RUTBTPA0," typically arises in the context of background processing or batch jobs in SAP. This error can occur due to various reasons, including configuration issues, programming errors, or inconsistencies in the system.
  Causes:
  
  Incorrect Job Configuration: The background job may have been configured incorrectly, leading to an illegal mode being specified.
  Programmatic Errors: There may be issues in the ABAP code that is being executed, particularly in the task management or job scheduling logic.
  System Inconsistencies: There could be inconsistencies in the system, such as missing or corrupted data that the program expects to find.
  Transport Issues: If the program was recently transported from another system, there may be issues with the transport that need to be resolved.
  Authorization Issues: Sometimes, the user executing the job may not have the necessary authorizations, leading to unexpected behavior.
  
  Solutions:
  
  Check Job Configuration: Review the configuration of the background job that is causing the error. Ensure that all parameters are set correctly and that the job is not trying to run in an unsupported mode.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the illegal mode is being set. Look for the Start_Task method in the RUTBTPA0 program.
  Review Logs: Check the job logs and system logs (SM37, SM21) for any additional error messages or warnings that could provide more context about the issue.
  Check Authorizations: Ensure that the user executing the job has the necessary authorizations to run the program.
  Transport Check: If the program was recently transported, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  System Consistency Check: Run consistency checks on the system to identify any potential issues with data integrity.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM37 (to monitor background jobs), SM21 (to view system logs), and SE80 (to check the program code).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error, including the job name, user, and any relevant logs.
  Documentation: Review SAP documentation related to background processing and job scheduling for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the DO649 error and implement a solution to resolve it.