How To Fix /IWWRK/CM_WF_GW_MSG028 - Error activating substitute &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWWRK/CM_WF_GW_MSG -

• Message number: 028

• Message text: Error activating substitute &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWWRK/CM_WF_GW_MSG028 - Error activating substitute &1 ?

  The SAP error message /IWWRK/CM_WF_GW_MSG028 typically occurs when there is an issue with activating a substitute in the workflow. This error can arise due to various reasons, such as configuration issues, missing authorizations, or problems with the workflow setup.
  Cause:
  
  Missing or Incorrect Configuration: The substitute may not be properly configured in the system.
  Authorization Issues: The user trying to activate the substitute may not have the necessary authorizations.
  Workflow Settings: There may be issues with the workflow settings or the workflow itself.
  Data Inconsistencies: There could be inconsistencies in the data related to the user or the substitute.
  
  Solution:
  
  
  Check Configuration:
  
  Ensure that the substitute is correctly configured in the system. You can do this by navigating to the relevant transaction (e.g., SWI1 for workflow) and checking the substitute settings.
  
  
  
  Verify Authorizations:
  
  Check if the user has the necessary authorizations to activate substitutes. You can use transaction SU53 to analyze authorization issues after the error occurs.
  
  
  
  Review Workflow Settings:
  
  Go to transaction SWDD (Workflow Builder) and check the workflow definition for any issues. Ensure that the workflow is active and correctly set up.
  
  
  
  Check User Data:
  
  Verify that the user data for both the original user and the substitute is complete and correct. This includes checking the user master records in transaction SU01.
  
  
  
  Consult Logs:
  
  Check the application logs for more detailed error messages. You can use transaction SLG1 to view logs related to the workflow.
  
  
  
  Recreate Substitute:
  
  If the issue persists, try deleting the existing substitute and recreating it to ensure that there are no hidden issues.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide patches.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1: Work Item Selection
  SWDD: Workflow Builder
  SU01: User Maintenance
  SLG1: Application Log
  
  
  
  Documentation: Refer to SAP Help documentation for workflows and substitutes for more detailed guidance on configuration and troubleshooting.
  
  
  If the problem continues after trying these solutions, it may be beneficial to reach out to your SAP Basis or Workflow team for further assistance, or consult SAP support for more specific guidance based on your system configuration.