How To Fix FUNC_ADT021 - &1 is unexpected, expected is &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FUNC_ADT -

• Message number: 021

• Message text: &1 is unexpected, expected is &2

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 FUNC_ADT021 - &1 is unexpected, expected is &2 ?

  The SAP error message FUNC_ADT021 typically indicates that there is a mismatch between the expected and actual values in a function module or method call. The message format suggests that the system encountered an unexpected value (denoted by &1) when it was expecting a different value (denoted by &2). This can occur in various scenarios, such as when calling a function module, method, or during data processing.
  Causes:
  
  Incorrect Parameter Values: The parameters being passed to a function module or method may not match the expected values or types.
  Data Type Mismatch: There may be a mismatch in data types between what is expected and what is provided.
  Configuration Issues: Incorrect configuration settings in the system can lead to unexpected behavior.
  Custom Code Issues: If there is custom ABAP code involved, it may not be handling certain cases correctly.
  Version Mismatch: If there are different versions of the function module or method being used, it may lead to discrepancies in expected values.
  
  Solutions:
  
  Check Parameter Values: Review the parameters being passed to the function/module and ensure they match the expected values and types.
  Debugging: Use the ABAP debugger to step through the code and identify where the unexpected value is being generated.
  Review Documentation: Check the SAP documentation for the function module or method to understand the expected input and output.
  Check Custom Code: If there is custom code involved, review it for any logic errors or incorrect assumptions about data.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Testing: Create test cases to replicate the issue and validate the inputs and outputs.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error, including the context in which it occurs.
  Community Forums: Check SAP community forums or other online resources where similar issues may have been discussed.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) or SE80 (Object Navigator) to analyze the function module or method in question.
  
  By following these steps, you should be able to identify the cause of the FUNC_ADT021 error and implement a suitable solution.