How To Fix /LTB/TR_MODEL020 - Exception handling check of &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/TR_MODEL -

• Message number: 020

• Message text: Exception handling check of &1 failed

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 /LTB/TR_MODEL020 - Exception handling check of &1 failed ?

  The SAP error message /LTB/TR_MODEL020 Exception handling check of &1 failed typically relates to issues in the context of the SAP Transportation Management (TM) module, particularly when dealing with transportation models or planning scenarios. This error indicates that there is a problem with the exception handling mechanism for a specific object or process.
  Possible Causes:
  
  Configuration Issues: There may be misconfigurations in the transportation model or related settings that prevent proper exception handling.
  Missing Data: Required data for the transportation model or the specific object referenced by &1 may be missing or incomplete.
  Custom Code: If there are custom enhancements or modifications in the system, they might interfere with the standard exception handling process.
  System Bugs: There could be bugs in the SAP version you are using that affect exception handling.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the transportation model and ensure that all necessary parameters are correctly set.
  Data Validation: Verify that all required data for the object referenced by &1 is present and correctly maintained in the system.
  Review Custom Code: If there are any custom developments, check the code for any issues that might be causing the exception handling to fail.
  SAP Notes: Search for relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Debugging: If you have access to debugging tools, you can analyze the code execution path leading to the error to identify the root cause.
  Consult Documentation: Review the official SAP documentation for Transportation Management to ensure that you are following best practices.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide insights based on the specific version and configuration of your system.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  Testing Environment: If possible, replicate the issue in a testing environment to experiment with different configurations or data setups without affecting the production system.
  
  By following these steps, you should be able to diagnose and resolve the error message /LTB/TR_MODEL020 Exception handling check of &1 failed.