How To Fix SRFAC_IMPL054 - New &1 used for generic parameter, type compatibility is not guaranteed.

SAP Error Message - Details

• Message type: E = Error

• Message class: SRFAC_IMPL - Refactoring messages

• Message number: 054

• Message text: New &1 used for generic parameter, type compatibility is not guaranteed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRFAC_IMPL054 - New &1 used for generic parameter, type compatibility is not guaranteed. ?

  The SAP error message SRFAC_IMPL054 indicates that there is a type compatibility issue with a generic parameter in your ABAP code. This typically occurs when you are using a generic type or a generic interface, and the system cannot guarantee that the type being used is compatible with the expected type.
  Cause:
  
  Generic Parameter Usage: The error arises when a generic parameter (like a type or interface) is used in a way that the system cannot ensure type safety. This often happens in method definitions or class definitions where generics are involved.
  Type Mismatch: The specific type being passed does not match the expected type, or the generic type is too broad, leading to ambiguity.
  Inconsistent Type Definitions: If the generic type is defined in a way that does not align with the actual types being used, this error can occur.
  
  Solution:
  
  Check Type Definitions: Review the definitions of the generic types and ensure that the types being passed are compatible with the expected types.
  Refine Generic Parameters: If possible, refine the generic parameters to be more specific. This can help the system to better understand the expected types and reduce ambiguity.
  Use Type Constraints: If you are defining a generic type, consider using type constraints to enforce that only certain types can be used as parameters.
  Review Method Calls: Check the method calls where the generic types are being used. Ensure that the arguments being passed match the expected types.
  Debugging: Use debugging tools to trace the execution and identify where the type mismatch is occurring. This can help pinpoint the exact location in the code that is causing the issue.
  
  Related Information:
  
  ABAP Generics: Understanding how generics work in ABAP can help in resolving such issues. Familiarize yourself with the syntax and rules for defining and using generic types.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Documentation: Refer to the official SAP documentation for more details on generics and type compatibility in ABAP.
  
  By following these steps, you should be able to identify and resolve the issue causing the SRFAC_IMPL054 error message in your SAP environment.