How To Fix J5359 - Cannot generate program; & is already assigned to a customer program

J5359 - Overview

• Message type: E = Error

• Message class: J5 - External Data Transfer

• Message number: 359

• Message text: Cannot generate program; & is already assigned to a customer program

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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J5359 - Details

• The SAP error message J5359 indicates that there is an issue with generating a program because the specified program name is already assigned to a customer program. This typically occurs in the context of ABAP development when you are trying to create or modify a program that has a name that is already in use.
  
  Cause:
  
  Program Name Conflict: The program name you are trying to use is already assigned to an existing customer program. In SAP, program names must be unique within the namespace.
  Namespace Restrictions: SAP has specific naming conventions and restrictions for programs, especially in the customer namespace (Z or Y). If you are trying to create a program with a name that is already taken, you will encounter this error.
  Transport Issues: If there are transport requests that have not been released or have been incorrectly configured, it may lead to conflicts in program names.
  
  
  Solution:
  
  Check Existing Programs: Use transaction SE38