How To Fix SWL_WP021 - Could read the requested handler successfully

SAP Error Message - Details

• Message type: E = Error

• Message class: SWL_WP - Message for Workflow in Workplace

• Message number: 021

• Message text: Could read the requested handler successfully

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 SWL_WP021 - Could read the requested handler successfully ?

  The SAP error message SWL_WP021 indicates that there was an issue with reading the requested handler successfully. This error typically occurs in the context of SAP Workflow, where the system is unable to access or process a specific workflow handler.
  Cause:
  
  Configuration Issues: The workflow handler may not be properly configured in the system.
  Authorization Problems: The user or process attempting to access the handler may lack the necessary authorizations.
  System Errors: There could be underlying system issues, such as database connectivity problems or inconsistencies in the workflow definitions.
  Missing or Inactive Workflow: The specific workflow or handler may not exist or may be inactive in the system.
  
  Solution:
  
  Check Configuration: Verify that the workflow handler is correctly configured in the SAP system. This includes checking the workflow definitions and ensuring that all necessary components are active.
  Review Authorizations: Ensure that the user or process has the appropriate authorizations to access the workflow handler. You may need to adjust roles or permissions.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  Workflow Monitoring: Use transaction SWI1 or SWI2 to monitor workflows and check for any stuck or failed workflows that might be related to the error.
  Recreate or Activate Workflow: If the workflow handler is missing or inactive, consider recreating it or activating it in the system.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1 (Workflow Overview), SWI2 (Work Item Selection), and SWU3 (Automatic Workflow Customizing).
  SAP Documentation: Refer to the official SAP documentation for detailed information on workflow configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or Workflow team for further investigation.