How To Fix SWF_EXP_001051 - Invalid object type category in constant: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 051

• Message text: Invalid object type category in constant: &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 SWF_EXP_001051 - Invalid object type category in constant: &1 ?

  The SAP error message SWF_EXP_001051 indicates that there is an issue with an invalid object type category in a constant. This error typically arises in the context of workflow management in SAP, particularly when dealing with workflow definitions or instances.
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Configuration: The workflow might be referencing an object type that is not defined or is incorrectly configured in the system.
  Missing Object Type: The object type that is being referenced in the workflow does not exist in the system.
  Inconsistent Data: There may be inconsistencies in the data or configuration related to the workflow or the object types being used.
  Transport Issues: If the workflow was transported from one system to another, there might be missing dependencies or configurations.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Object Type: Verify that the object type referenced in the workflow is correctly defined in the system. You can do this by checking the relevant transaction codes (e.g., SWO1 for object types).
  
  
  Review Workflow Configuration: Go through the workflow configuration to ensure that all object types and constants are correctly set up. Look for any typos or incorrect references.
  
  
  Consistency Check: Use transaction SWU3 to perform a consistency check on the workflow. This can help identify any inconsistencies in the workflow definitions.
  
  
  Transport Check: If the workflow was recently transported, ensure that all necessary objects and configurations were included in the transport request. You may need to re-transport or manually adjust the configurations.
  
  
  Debugging: If the issue persists, consider debugging the workflow to identify the exact point of failure. You can use transaction SWI1 to monitor workflow instances and see where the error occurs.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to workflow management for any specific guidance on the error message.
  
  
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, providing them with the error details and any relevant context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWI1 (Work Item Selection), SWU3 (Automatic Workflow Customizing), and SWO1 (Object Type Maintenance).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches.
  Workflow Documentation: Review SAP's official documentation on workflow management for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify and resolve the cause of the SWF_EXP_001051 error in your SAP system.