How To Fix ED002 - Function code & not defined; report this error

ED002 - Overview

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 002

• Message text: Function code & not defined; report this error

What causes this issue?

The cause of the problem is an internal error in the editor.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please report the error, and specify the procedure which resulted in
this error.

Error message extract from SAP system. Copyright SAP SE.

ED002 - Details

• The SAP error message ED002, which states "Function code & not defined; report this error," typically indicates that a function code being called in a program or transaction is not recognized by the system. This can occur for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  
  Missing Function Code: The function code being referenced may not be defined in the system. This could happen if the code was deleted or if the program is trying to call a function that has not been implemented.
  
  
  Authorization Issues: The user may not have the necessary authorizations to access the function code, leading to the system not recognizing it.
  
  
  Custom Development: If the function code is part of a custom development (like a Z-program), it may not have been properly defined or activated.
  
  
  Transport Issues: If the function code was recently transported from another system (like a development or quality assurance system), it