How To Fix DDLS402 - Function &: parameter & has incorrect data type &

DDLS402 - Overview

• 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.

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

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

DDLS402 - Details

• 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