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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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