How To Fix R3126 - Error during generation: Incorrect DS type '&1' for program class '&2'

R3126 - Overview

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 126

• Message text: Error during generation: Incorrect DS type '&1' for program class '&2'

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 R3126 - Error during generation: Incorrect DS type '&1' for program class '&2' ?

  The SAP error message R3126 indicates that there is an issue with the data source (DS) type being used in relation to the program class specified. This error typically arises during the generation of a program or report in the SAP system, and it suggests that the data source type does not match the expected type for the given program class.
  
  Cause:
  
  Incorrect Data Source Type: The data source type specified in the program does not match the expected type for the program class. This could be due to a configuration error or a mismatch in the definitions.
  Program Class Misconfiguration: The program class may not be properly configured to handle the specified data source type.
  Custom Development Issues: If the program is custom-developed, there may be issues in the code that lead to this mismatch.
  
  
  Solution:
  
  Check Data Source Type: Verify the data source type being used in the program. Ensure that it is compatible