How To Fix LTR2_RN133 - Handler '&1' is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_RN - LTR2 RN: Message class

• Message number: 133

• Message text: Handler '&1' is invalid

Self-Explanatory Message

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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 LTR2_RN133 - Handler '&1' is invalid ?

  The SAP error message LTR2_RN133 with the description "Handler '&1' is invalid" typically occurs in the context of SAP's Logistics Execution (LE) or Warehouse Management (WM) modules. This error indicates that the system is trying to reference a handler (which could be a function module, method, or class) that is not recognized or does not exist in the system.
  Causes:
  
  Missing or Incorrect Handler: The specified handler may not be defined in the system, or there may be a typo in the handler name.
  Transport Issues: If the handler was recently transported from another system, it may not have been transported correctly or may be missing dependencies.
  Authorization Issues: The user may not have the necessary authorizations to access the handler.
  Configuration Issues: The configuration settings related to the handler may be incorrect or incomplete.
  
  Solutions:
  
  
  Check Handler Definition:
  
  Verify that the handler specified in the error message exists in the system. You can do this by checking the relevant function module, method, or class in the ABAP Workbench (transaction SE80 or SE37).
  
  
  
  Correct Typographical Errors:
  
  Ensure that there are no typos in the handler name. If the handler is being called programmatically, check the code for any mistakes.
  
  
  
  Transport Validation:
  
  If the handler was recently transported, check the transport logs to ensure that it was transported successfully. You may need to re-transport the handler or its dependencies.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the transaction has the necessary authorizations to access the handler. You can check this using transaction SU53 or by consulting with your security team.
  
  
  
  Configuration Review:
  
  Review the configuration settings related to the handler. Ensure that all necessary parameters are set correctly.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the program or transaction that is generating the error to identify the exact point of failure.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search for the error message or related keywords in the SAP Support Portal.
  Community Forums: Look for discussions in SAP Community forums or other SAP-related forums where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for the specific module you are working with to understand the expected behavior and configuration of handlers.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.