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

SAP Error Message - Details

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT356 - Interface to search help &-&: & and & have different data types ?

  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 in terms of data types, this error can occur.
  
  Solution:
  
  Check Data Types: Review the data types of the fields or variables involved in the operation. Ensure that they are compatible. You can do this by checking the data dictionary (SE11) or the ABAP code where the variables are defined.
  Type Conversion: If the data types are different, you may need to convert one of the fields to match the other. You can use ABAP statements like CONVERT or CAST to change the data type appropriately.
  Modify Function Module/Method Calls: If the error occurs during a function module or method call, ensure that the parameters being passed match the expected data types. You may need to adjust the calling code to ensure compatibility.
  Debugging: Use the ABAP debugger to step through the code and identify where the mismatch occurs. This can help you pinpoint the exact location and context of the error.
  
  Related Information:
  
  ABAP Data Types: Familiarize yourself with the various data types in ABAP, such as CHAR, NUMC, INT, DATS, TIMS, etc., to understand how they can be used and converted.
  Data Dictionary (SE11): Use the Data Dictionary to check the definitions of the fields involved in the error.
  Function Module Documentation: Review the documentation for any function modules or methods you are using to understand the expected data types for parameters.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  By following these steps, you should be able to resolve the DT356 error and ensure that the data types are compatible for the operations you are performing in your SAP system.