How To Fix /PM0/3FW_API_MESSAGE014 - No key outside of customer namespace can be assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_API_MESSAGE -

• Message number: 014

• Message text: No key outside of customer namespace can be assigned

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 /PM0/3FW_API_MESSAGE014 - No key outside of customer namespace can be assigned ?

  The SAP error message /PM0/3FW_API_MESSAGE014 with the description "No key outside of customer namespace can be assigned" typically occurs in the context of SAP's framework for managing custom developments and enhancements. This error indicates that there is an attempt to assign a key or identifier that is not allowed because it falls outside of the designated customer namespace.
  
  Cause:
  
  
  Namespace Restrictions: In SAP, objects (like function modules, classes, etc.) are assigned to namespaces. The customer namespace is usually defined as /Z* or /Y*, while SAP's standard objects are in the global namespace. This error occurs when there is an attempt to use a key or identifier that is not within the customer namespace.
  
  
  
  Configuration Issues: There may be a misconfiguration in the system where a custom development is trying to access or assign a key that is reserved for SAP standard objects.
  
  
  Development Guidelines Violation: The error can also arise if the development guidelines