How To Fix /LTB/TR_UI064 - &1 is not an exception class

/LTB/TR_UI064 - Overview

• Message type: E = Error

• Message class: /LTB/TR_UI -

• Message number: 064

• Message text: &1 is not an exception class

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.

Unfortunately, there isn't any extra information in this error notice.

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/LTB/TR_UI064 - Details

• The SAP error message /LTB/TR_UI064 &1 is not an exception class typically indicates that there is an issue with the exception handling in your ABAP code or configuration related to the SAP Transportation Management (TM) module. This error suggests that the system is trying to reference a class as an exception class, but the specified class does not meet the criteria for being an exception class.
  
  Cause:
  
  Incorrect Class Definition: The class specified in the error message is not defined as an exception class. In ABAP, exception classes must inherit from the standard class CX_STATIC_CHECK or CX_DYNAMIC_CHECK.
  Typographical Error: There may be a typo in the class name or the class may not exist in the system.
  
  Configuration Issues: If the error arises from a configuration setting, it may be due to incorrect settings in the TM configuration.
  
  
  Solution:
  
  
  Check Class Definition:
  
  Go to the ABAP Workbench (SE80) and check the class definition of the class mentioned