How To Fix RSM791 - Requesting the last delta for texts is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 791

• Message text: Requesting the last delta for texts is not supported

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSM791 - Requesting the last delta for texts is not supported ?

  The SAP error message RSM791, which states "Requesting the last delta for texts is not supported," typically occurs in the context of data extraction processes, particularly when dealing with delta loads in SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the system is unable to retrieve the last delta for text data, which is often due to the nature of how text data is handled in SAP.
  Cause:
  
  Text Data Handling: In SAP, text data (like descriptions or labels) is often stored in a different way than transactional data. Delta extraction for text data is not supported in the same manner as it is for other types of data.
  Delta Mechanism: The delta mechanism is designed to track changes in data records. However, for text data, the system may not have a mechanism to track changes in the same way, leading to this error when a delta request is made.
  Configuration Issues: There may be configuration issues in the data source or the InfoObject that is being used for the extraction.
  
  Solution:
  
  Full Load: Instead of attempting to perform a delta load for text data, you may need to perform a full load. This means extracting all the text data from the source system rather than just the changes.
  Check Data Source: Review the data source configuration in the SAP BW system. Ensure that the InfoObject or DataSource is set up correctly and that it is appropriate for the type of data being extracted.
  Use Alternative Methods: If you need to keep text data updated, consider using alternative methods such as periodic full loads or using a different approach to manage text data updates.
  Consult Documentation: Refer to SAP documentation or notes related to the specific DataSource or InfoObject you are working with. There may be specific guidelines or best practices for handling text data.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling text data in delta loads.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Data Warehousing Best Practices: Familiarize yourself with best practices for data extraction and loading in SAP BW, especially regarding text data and delta mechanisms.
  
  By following these steps, you should be able to address the RSM791 error and successfully manage text data extraction in your SAP environment.