How To Fix WL145 - Object type & (of expression &) describes the initial object type

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 145

• Message text: Object type & (of expression &) describes the initial object type

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 WL145 - Object type & (of expression &) describes the initial object type ?

  The SAP error message WL145 indicates that there is an issue with the object type in a specific expression. This error typically arises in the context of SAP Workflow or Business Object processing, where the system expects a certain object type but encounters an initial or undefined type instead.
  Cause:
  The error message "WL145 Object type & (of expression &) describes the initial object type" usually occurs due to one of the following reasons:
  
  Incorrect Object Type: The object type specified in the workflow or business object is not correctly defined or is missing.
  Initialization Issues: The object type may not have been initialized properly before being used in the workflow.
  Configuration Errors: There may be configuration issues in the workflow or business object definitions that lead to the system not recognizing the object type.
  Data Consistency: The data being processed may not be consistent with the expected object types, leading to the error.
  
  Solution:
  To resolve the WL145 error, you can follow these steps:
  
  
  Check Object Type Definition:
  
  Verify that the object type specified in the workflow or business object is correctly defined in the system.
  Ensure that the object type is active and has the necessary attributes and methods defined.
  
  
  
  Initialization:
  
  Ensure that the object is properly initialized before it is used in the workflow. This may involve checking the logic that creates or assigns the object.
  
  
  
  Review Workflow Configuration:
  
  Check the workflow configuration for any inconsistencies or errors. Make sure that all necessary steps and conditions are correctly defined.
  If you are using a custom workflow, review the code to ensure that it adheres to the expected object types.
  
  
  
  Debugging:
  
  Use the debugging tools in SAP to trace the execution of the workflow and identify where the error occurs. This can help pinpoint the exact cause of the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the object types and workflows you are working with.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SWI1 (Work Item Selection) or SWI2_FREQ (Work Item Selection - Frequency) to analyze the workflow instances and their statuses.
  Business Object Repository: Use transaction SWO1 to explore the business object definitions and ensure they are correctly set up.
  Workflow Logs: Review workflow logs for additional context on the error and any related messages that may provide further insights.
  
  By following these steps, you should be able to identify and resolve the cause of the WL145 error in your SAP system.