How To Fix /STTPEC/ODATA021 - Function '&1' not found

/STTPEC/ODATA021 - Overview

• Message type: E = Error

• Message class: /STTPEC/ODATA -

• Message number: 021

• Message text: Function '&1' not found

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 /STTPEC/ODATA021 - Function '&1' not found ?

  The SAP error message /STTPEC/ODATA021 Function '&1' not found typically indicates that the OData service is trying to call a function that does not exist or is not properly defined in the system. This can occur for several reasons, including misconfiguration, missing implementations, or issues with the service registration.
  Causes:
  
  Function Not Implemented: The function being called in the OData service is not implemented in the backend.
  Incorrect Service Registration: The OData service may not be correctly registered in the SAP Gateway.
  Namespace Issues: The function might be defined in a different namespace or package that is not accessible.
  Authorization Issues: The user may not have the necessary authorizations to access the function.
  Transport Issues: If the function was recently transported from another system, it may not have been activated or may be missing.
  
  Solutions:
  
  
  Check Function Implementation:
  
  Verify that the function being called is implemented in the backend. You can do this by checking the relevant ABAP class