How To Fix RSO_CTC252 - &1 &2: Last delta is old (&3). Ensure delta can be loaded, or delete init

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_CTC - Message class for CTC related messages

• Message number: 252

• Message text: &1 &2: Last delta is old (&3). Ensure delta can be loaded, or delete init

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSO_CTC252 - &1 &2: Last delta is old (&3). Ensure delta can be loaded, or delete init ?

  The SAP error message RSO_CTC252 indicates an issue with the delta load process in SAP BW (Business Warehouse). This error typically occurs when the last delta request is considered "old," meaning that the delta data that is being attempted to be loaded is outdated or not in sync with the source system.
  Cause:
  
  Old Delta Request: The delta request that is being processed is older than the last successful delta load. This can happen if there have been changes in the source system or if the delta queue has not been processed in a timely manner.
  Data Inconsistency: There may be inconsistencies between the source system and the BW system, leading to the delta not being able to be loaded.
  Initialization Required: If the delta queue is too old, it may require a new initialization of the data source to reset the delta process.
  
  Solution:
  
  Check Delta Queue: Verify the delta queue in the source system to ensure that it is not too old. You can do this by checking the delta queue in the source system (e.g., using transaction codes like RSA7 for delta monitoring).
  Load Latest Delta: If possible, try to load the latest delta request. This may involve reprocessing the delta queue or ensuring that the delta data is up to date.
  Delete Old Delta Requests: If the delta requests are too old and cannot be processed, you may need to delete the old delta requests from the delta queue. This can be done using transaction RSA7 or by using the appropriate BW transaction for managing delta requests.
  Reinitialize the Data Source: If the delta cannot be loaded due to the age of the last delta, you may need to perform a full initialization of the data source. This involves:
  
  Deleting the existing delta requests.
  Performing a full load of the data source to reset the delta process.
  
  
  Monitor and Schedule Regular Loads: To prevent this issue in the future, ensure that delta loads are scheduled regularly and monitored to avoid delays that could lead to old delta requests.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA7 (for delta queue monitoring), RSO2 (for data source maintenance), and RSO1 (for InfoProvider maintenance).
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Documentation: Review SAP BW documentation for best practices on managing delta loads and data sources.
  
  By following these steps, you should be able to resolve the RSO_CTC252 error and ensure that your delta loads are processed correctly.