How To Fix RSSM_TT040 - And DTP &1 then writes back to DTP &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSM_TT - Transfer Tool

• Message number: 040

• Message text: And DTP &1 then writes back to DTP &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSSM_TT040 - And DTP &1 then writes back to DTP &2 ?

  The SAP error message RSSM_TT040 typically occurs in the context of Data Transfer Processes (DTP) in SAP BW (Business Warehouse). This error indicates that there is an issue with the data transfer between two DTPs, where DTP &1 is trying to write back to DTP &2. 
  Cause:
  
  Configuration Issues: The DTPs may not be correctly configured. This could include incorrect source or target settings, or issues with the transformation rules.
  Data Consistency: There may be inconsistencies in the data being transferred, such as data types not matching or missing required fields.
  Process Chain Issues: If these DTPs are part of a process chain, there may be issues with the sequence of execution or dependencies between the DTPs.
  Authorization Issues: The user executing the DTP may not have the necessary authorizations to perform the write-back operation.
  Data Source Issues: The source DTP might be pointing to a data source that is not available or has been changed.
  
  Solution:
  
  Check DTP Configuration: Review the settings of both DTPs involved. Ensure that the source and target settings are correct and that the transformation rules are properly defined.
  Validate Data: Check the data being processed to ensure that it meets the requirements of the target DTP. Look for any data inconsistencies or missing fields.
  Review Process Chains: If the DTPs are part of a process chain, ensure that the process chain is correctly configured and that the DTPs are executed in the correct order.
  Check Authorizations: Verify that the user has the necessary authorizations to execute the DTP and perform write-back operations.
  Monitor Logs: Check the logs for more detailed error messages that can provide additional context on what went wrong during the DTP execution.
  Test DTPs Individually: Run each DTP individually to isolate the issue and determine if the problem lies with one specific DTP or the interaction between them.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSSM_TT040 for any specific patches or updates that may address known issues.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access DTP settings and monitor data flows.
  BW Monitoring Tools: Utilize BW monitoring tools to track the execution of DTPs and identify bottlenecks or failures in the data transfer process.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed logs and error messages for a more in-depth analysis.