How To Fix WUF01022 - Table type &1 incompatible with structure type &2

WUF01022 - Overview

• Message type: E = Error

• Message class: WUF01 -

• Message number: 022

• Message text: Table type &1 incompatible with structure type &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.

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WUF01022 - Details

• The SAP error message WUF01022, which states "Table type &1 incompatible with structure type &2," typically occurs when there is a mismatch between the expected table type and the actual structure type being used in a function module or method. This error is often encountered in the context of ABAP programming, particularly when dealing with table parameters in function modules or methods.
  
  Cause:
  
  Mismatched Data Types: The table type defined in the function module or method does not match the structure type of the data being passed to it. For example, if a function module expects a table of a certain structure but receives a table of a different structure, this error will occur.
  Incorrect Declaration: The table type may have been incorrectly declared or defined in the ABAP Dictionary (SE11).
  Changes in Data Dictionary: If the structure of the table type or the structure type has been changed after the function module was