How To Fix WXPA000 - * messages from the interface definition

WXPA000 - Overview

• Message type: E = Error

• Message class: WXPA - MAP: External Applications

• Message number: 000

• Message text: * messages from the interface definition

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WXPA000 - * messages from the interface definition ?

  The SAP error message WXPA000 typically appears in the context of Web Dynpro ABAP development. The message text is usually along the lines of:
  * messages from the interface definition
  Cause
  This error message generally indicates that there are messages (errors, warnings, or information) raised from the interface definition of a Web Dynpro component or interface. It often occurs when:
  
  The interface definition contains inconsistencies or errors.
  There are problems in the method signatures, parameter definitions, or annotations in the interface.
  The interface is not properly activated or has syntax errors.
  The interface is referenced in a component or controller but has unresolved issues.
  
  In other words, the message is a generic indicator that the interface definition has some problem that prevents successful activation or usage.
  Common scenarios causing WXPA000:
  
  Incorrect or missing parameter definitions in interface methods.
  Incompatible data types or missing import/export parameters.
  Syntax errors in the interface source code.
  The interface is not activated after changes.
  The interface is referenced in