How To Fix OZ021 - Maintain application function for this IMG document

OZ021 - Overview

• Message type: E = Error

• Message class: OZ - Customizing Basis tools

• Message number: 021

• Message text: Maintain application function for this IMG document

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 OZ021 - Maintain application function for this IMG document ?

  The SAP error message OZ021, which states "Maintain application function for this IMG document," typically occurs when there is a missing or improperly configured application function in the Implementation Guide (IMG) for a specific document or transaction. This error can arise during various activities, such as configuration or execution of certain transactions.
  
  Cause:
  
  Missing Configuration: The application function that is required for the specific IMG document has not been defined or is incomplete.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly, leading to missing entries.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the required application function.
  Custom Development: If there are custom developments or enhancements, they may not be properly linked to the IMG document.
  
  
  Solution:
  
  
  Check IMG Configuration:
  
  Navigate to the relevant IMG path where the error occurred.
  Ensure that all necessary application functions are maintained and correctly configured.
  If you are unsure, consult