How To Fix OXYGEN021 - Error calling function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OXYGEN - Messages from the O2 Compiler

• Message number: 021

• Message text: Error calling function module &1

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 OXYGEN021 - Error calling function module &1 ?

  The SAP error message OXYGEN021, which states "Error calling function module &1," typically indicates that there is an issue with a specific function module in the SAP system. This error can arise from various causes, and the resolution may depend on the specific context in which the error occurs. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Function Module Not Found: The specified function module (&1) may not exist in the system or may have been deleted.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected input types or formats.
  System 
  Configuration Issues: There may be configuration issues in the system that prevent the function module from executing correctly.
  Transport Issues: If the function module was recently transported from another system, there may be inconsistencies or missing dependencies.
  
  Solutions:
  
  Check Function