How To Fix CPF090 - Parameter &1, BAdI &2: ASSIGN ... CASTING failed: Incompatible type.

SAP Error Message - Details

• Message type: E = Error

• Message class: CPF -

• Message number: 090

• Message text: Parameter &1, BAdI &2: ASSIGN ... CASTING failed: Incompatible type.

What causes this issue?

An error occurred during ASSIGN ... CASTING statement.
Possible causes are:
Components (data references, object references, strings or internal
tables) that are contained in the source type (type of the field) or
target type, their offset and their type are not the same.
The type which has been entered using the addition TYPE or LIKE is not
compatible with the type of the field symbol.

System Response

The system terminates the processing.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPF090 - Parameter &1, BAdI &2: ASSIGN ... CASTING failed: Incompatible type. ?

  The SAP error message CPF090 indicates that there is a problem with a BAdI (Business Add-In) implementation where a parameter is being assigned or cast to an incompatible type. This typically occurs when the data types of the variables involved do not match, leading to a failure in the assignment or casting operation.
  Cause:
  
  Incompatible Data Types: The most common cause of this error is that the data type of the parameter being passed to the BAdI does not match the expected data type defined in the BAdI interface.
  Incorrect BAdI Implementation: If the BAdI implementation is not correctly defined or if the method signature does not match the interface, it can lead to this error.
  Changes in Data Structure: If there have been recent changes to the data structure or the BAdI interface, it may lead to mismatches in expected types.
  Type Casting Issues: If there is an explicit type cast in the code that is not valid, it can trigger this error.
  
  Solution:
  
  Check Data Types: Review the data types of the parameters being passed to the BAdI and ensure they match the expected types defined in the BAdI interface.
  Review BAdI Implementation: Go to the BAdI implementation and check the method signature. Ensure that it matches the interface definition.
  Debugging: Use debugging tools to trace the execution and identify where the type mismatch occurs. This can help pinpoint the exact line of code causing the issue.
  Update Code: If you find that the data types are indeed incompatible, update the code to ensure that the correct types are being used. This may involve changing variable declarations or modifying the BAdI implementation.
  Consult Documentation: If you are unsure about the expected data types, refer to the SAP documentation for the specific BAdI you are working with.
  
  Related Information:
  
  BAdI (Business Add-In): A BAdI is a type of enhancement in SAP that allows developers to add custom functionality to standard SAP applications without modifying the original code.
  Data Types in ABAP: Understanding the various data types in ABAP (like CHAR, NUMC, INT, etc.) is crucial for resolving type-related issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific BAdI you are working with. Sometimes, SAP releases notes that address specific errors or provide guidance on implementation.
  
  By following these steps, you should be able to identify and resolve the CPF090 error in your SAP environment.