How To Fix SWF_EXP_001191 - Method not found: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 191

• Message text: Method not found: '&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_001191 - Method not found: '&1' ?

  The SAP error message SWF_EXP_001191, which states "Method not found: '&1'", typically occurs in the context of SAP Business Workflow. This error indicates that the system is trying to call a method that does not exist or is not accessible in the specified class or object.
  Causes:
  
  Incorrect Method Name: The method name specified in the workflow is misspelled or does not match the method defined in the class.
  Class Not Active: The class that contains the method may not be active or may have been deleted.
  Authorization Issues: The user executing the workflow may not have the necessary authorizations to access the method.
  Changes in Class Definition: If the class definition has been changed (e.g., method removed or renamed) after the workflow was created, it can lead to this error.
  Transport Issues: If the workflow was transported from one system to another, the method may not exist in the target system.
  
  Solutions:
  
  Check Method Name: Verify that the method name in the workflow is correct and matches the method defined in the class.
  Activate Class: Ensure that the class containing the method is active. You can do this by navigating to the class in the ABAP Workbench (SE80) and checking its status.
  Review Authorizations: Check if the user has the necessary authorizations to execute the method. You may need to adjust roles or permissions.
  Update Workflow: If the method has been changed or removed, update the workflow to reference the correct method or create a new method if necessary.
  Transport Validation: If the workflow was transported, ensure that all dependent objects (like classes and methods) were also transported correctly and are available in the target system.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) to check the class and method definitions, and SWI1 (Work Item Selection) to monitor workflow instances.
  Debugging: If the issue persists, consider debugging the workflow to trace where the method call is failing.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  
  If you continue to experience issues after trying these solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.