How To Fix DT356 - Interface to search help &-&: & and & have different data types

DT356 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 356

• Message text: Interface to search help &-&: & and & have different data types

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.

DT356 - Details

• The SAP error message DT356 indicates that there is a mismatch in data types between two fields or variables in your SAP system. This typically occurs when you are trying to perform an operation that requires both fields to be of the same data type, such as comparing them or passing them as parameters in a function module or method.
  
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the two fields being compared or used together have different data types. For example, one field might be defined as a character string (CHAR) while the other is defined as a numeric type (NUMC).
  Inconsistent Data Definitions: If the data types of the fields are defined differently in the database or in the ABAP program, this can lead to this error.
  Function Module or Method Parameters: If you are calling a function module or method and the parameters do not match