DDLS402 - Function &: parameter & has incorrect data type &

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 402

• Message text: Function &: parameter & has incorrect data type &

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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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS402 - Function &: parameter & has incorrect data type & ?

  The SAP error message DDLS402 indicates that there is a problem with the data type of a parameter in a function module or method. The message typically follows this format:
  DDLS402 Function &: parameter & has incorrect data type &
  Cause
  This error usually occurs due to one of the following reasons:
  
  
  Mismatched Data Types: The parameter being passed to the function does not match the expected data type defined in the function's interface. This can happen if:
  
  The parameter is of a different type (e.g., passing a string where an integer is expected).
  The length or structure of the data type does not match.
  
  
  
  Incorrect Function Call: The function is being called with the wrong parameters or in the wrong context.
  
  
  Changes in Data Dictionary: If there have been recent changes to the data dictionary (like changes in data types or structures), it may lead to this error if the function module has not been updated accordingly.
  
  
  Solution
  To resolve the DDLS402 error, you can take the following steps:
  
  
  Check Function Module/Method Definition:
  
  Go to the function module or method definition in the ABAP Workbench (transaction SE37 for function modules or SE80 for classes).
  Verify the expected data types for each parameter.
  
  
  
  Review Calling Code:
  
  Check the code where the function is being called. Ensure that the parameters being passed match the expected data types.
  If necessary, convert the data types to match the expected types using appropriate ABAP conversion functions (e.g., CONCATENATE, CAST, etc.).
  
  
  
  Data Dictionary Changes:
  
  If there have been recent changes to the data dictionary, ensure that all dependent objects (like function modules, programs, etc.) are reactivated to reflect the changes.
  
  
  
  Debugging:
  
  Use the debugger to step through the code and inspect the values and types of the parameters being passed to the function. This can help identify where the mismatch is occurring.
  
  
  
  Consult Documentation:
  
  If the function is part of a standard SAP module, refer to the SAP documentation or notes for any known issues or changes related to that function.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SE37: Function Module Maintenance
  SE80: Object Navigator
  SE11: Data Dictionary
  
  
  
  ABAP Data Types: Familiarize yourself with the various ABAP data types (e.g., CHAR, NUMC, INT4, etc.) and their characteristics.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant notes that might address this specific error or provide additional context.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the DDLS402 error in your SAP environment.