How To Fix DDLS189 - Function &: parameter at position & has incorrect type &

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 189

• Message text: Function &: parameter at position & has incorrect 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 DDLS189 - Function &: parameter at position & has incorrect type & ?

  The SAP error message DDLS189 indicates that there is a type mismatch for a parameter in a function module or method. Specifically, the error message format is as follows:
  DDLS189 Function &: parameter at position & has incorrect type &
  Cause
  This error typically occurs when:
  
  A function module or method is called with parameters that do not match the expected data types defined in its interface.
  The parameter types may differ in terms of data type (e.g., passing a string where an integer is expected) or structure (e.g., passing a simple type where a complex type is expected).
  Changes in the function module or method signature that have not been reflected in the calling code.
  
  Solution
  To resolve the DDLS189 error, you can follow these steps:
  
  
  Check Function Module/Method Signature:
  
  Go to the function module or method definition in the ABAP Dictionary (transaction SE37 for function modules or SE80 for methods).
  Verify the expected parameter types and their positions.
  
  
  
  Review Calling