How To Fix RSM1158 - There are deltas in DSO &1 that have not been updated yet; update first

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM1 - Messages for AWB, Scheduler and Monitor (new)

• Message number: 158

• Message text: There are deltas in DSO &1 that have not been updated yet; update first

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM1158 - There are deltas in DSO &1 that have not been updated yet; update first ?

  The SAP error message RSM1158 indicates that there are delta records in a DataStore Object (DSO) that have not yet been updated. This typically occurs in the context of data extraction and loading processes in SAP BW (Business Warehouse) or SAP BW/4HANA.
  Cause:
  The error arises when you attempt to perform an operation (like a data load or a data extraction) on a DSO that has pending delta records. These delta records are changes that have been made to the data but have not yet been processed or updated in the DSO. This situation can occur due to:
  
  Pending Delta Requests: There are delta requests that have been loaded into the DSO but have not been activated or processed.
  Data Load Issues: A previous data load might have failed or been interrupted, leaving the DSO in a state where it has unprocessed delta records.
  Inconsistent Data State: The DSO might be in a state where it cannot accept new data until the existing delta records are handled.
  
  Solution:
  To resolve the RSM1158 error, you need to ensure that all delta records in the DSO are processed. Here are the steps you can take:
  
  
  Activate Delta Requests:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the DSO in question.
  Check for any delta requests that are pending and activate them. This can usually be done by selecting the delta requests and choosing the "Activate" option.
  
  
  
  Check for Errors:
  
  Review the process chain or data load process that was supposed to update the DSO. Look for any errors or warnings that might indicate why the delta records were not processed.
  If there are errors, resolve them and re-run the data load.
  
  
  
  Monitor Data Load Processes:
  
  Use transaction codes like RSMO (for monitoring data loads) or RSMO2 (for monitoring the status of data loads) to check the status of your data loads and ensure that they are completing successfully.
  
  
  
  Reprocess Delta Requests:
  
  If necessary, you can reprocess the delta requests by selecting them and choosing the option to reprocess or reload.
  
  
  
  Consult Logs:
  
  Check the logs for the data load process to identify any specific issues that may have caused the delta records to remain unprocessed.
  
  
  
  Related Information:
  
  DataStore Objects (DSOs): DSOs are used in SAP BW to store detailed transactional data. They can be in different states (active, inactive, etc.), and understanding these states is crucial for troubleshooting.
  Delta Mechanism: The delta mechanism in SAP BW allows for efficient data loading by only transferring changes (deltas) rather than the entire dataset.
  Process Chains: In BW, process chains are used to automate data loading and transformation processes. Monitoring and managing these chains is essential for maintaining data integrity.
  
  By following these steps, you should be able to resolve the RSM1158 error and ensure that your DSO is updated correctly.