How To Fix WER441 - Type &1 is not compatible with generic type &2

WER441 - Overview

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 441

• Message text: Type &1 is not compatible with generic 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.

Unfortunately, there isn't any extra information in this error notice.

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WER441 - Details

• The SAP error message:
  WER441 Type &1 is not compatible with generic type &2
  typically occurs in the context of ABAP Dictionary or Data Element definitions, especially when dealing with generic data types and their specific subtypes.
  
  Cause
  This error indicates a type incompatibility between a specific data type (&1) and a generic data type (&2) that it is supposed to be compatible with. In SAP, generic types are used to define a broad category of data types (e.g., CHAR, NUMC, INT, etc.), and specific types must conform to the rules of their generic type.
  Common scenarios causing this error:
  
  You are trying to assign or use a data type that does not conform to the expected generic type.
  A data element or domain is defined with a generic type, but the actual type assigned is incompatible.
  In table or structure definitions, a field's data type does not match the generic type expected by the context (e.g., a