How To Fix SB312 - Unsuitable delta, cannot copy changes

SAP Error Message - Details

• Message type: E = Error

• Message class: SB - Version Management Messages

• Message number: 312

• Message text: Unsuitable delta, cannot copy changes

What causes this issue?

The system cannot copy the changes made to this object, since the coding
of the object in the local SAP system is so different from the coding of
the object in the SAP system with the reference correction. See also
<DS:TX.BCWB_DELTA_TRANSFER_INFO>More information on copying changes</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Correct the object manually.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SB312 - Unsuitable delta, cannot copy changes ?

  The SAP error message SB312: Unsuitable delta, cannot copy changes typically occurs in the context of SAP's data transfer processes, particularly when dealing with delta data extraction or replication. This error indicates that the delta data being processed is not suitable for the operation being performed, which can happen for several reasons.
  Causes:
  
  Inconsistent Delta Queue: The delta queue may have become inconsistent, possibly due to a failed extraction or a system error.
  Data Deletion: If the data that is supposed to be extracted has been deleted or modified in a way that makes it incompatible with the delta extraction process.
  Incorrect Delta Initialization: If the delta initialization process was not completed correctly, it can lead to issues when trying to extract delta data.
  Changes in Data Structure: If there have been changes to the underlying data structure (like changes in the table or fields) after the delta initialization, it can lead to this error.
  Timing Issues: If the delta extraction is attempted before the initial load is completed, it can lead to this error.
  
  Solutions:
  
  Check Delta Queue: Use transaction codes like RSA7 to monitor the delta queue and check for inconsistencies. If there are issues, you may need to reset or reinitialize the delta queue.
  Reinitialize Delta: If the delta initialization was not done correctly, you may need to reinitialize the delta for the data source. This involves performing a full load followed by a delta initialization.
  Data Consistency Check: Ensure that the data in the source system is consistent and that no deletions or modifications have occurred that would affect the delta extraction.
  Check for Changes in Data Structure: If there have been changes to the data structure, ensure that the data source is updated accordingly in the SAP BW system.
  Monitor Extraction Process: Ensure that the extraction process is being executed in the correct sequence and that the initial load is completed before attempting to extract delta data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA7 (Delta Queue Monitor), and RSMO (Monitor Data Transfer).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific data source or extraction process you are working with.
  Documentation: Review SAP documentation on delta extraction processes and best practices to ensure that your setup aligns with recommended configurations.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.