How To Fix TSGEN204 - Task: Regenerate all invalidated existing loads

SAP Error Message - Details

• Message type: E = Error

• Message class: TSGEN - Messages For Transaction SGEN

• Message number: 204

• Message text: Task: Regenerate all invalidated existing loads

Note
For a description of this generation task, see the
<DS:DT.TX_SGEN_INFO1_PARA>Online Documentation</> of the transaction
SGEN.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TSGEN204 - Task: Regenerate all invalidated existing loads ?

  The SAP error message TSGEN204, which states "Task: Regenerate all invalidated existing loads," typically occurs in the context of data loading processes, particularly when working with SAP BW (Business Warehouse) or SAP HANA. This error indicates that there are existing data loads that have been invalidated and need to be regenerated.
  Cause:
  
  
  Invalidated Data Loads: The primary cause of this error is that certain data loads have been marked as invalid. This can happen due to various reasons, such as:
  
  Changes in the underlying data model (e.g., changes in InfoObjects, DataSources, or transformations).
  Errors during previous data load processes that left the data in an inconsistent state.
  Changes in the source system that affect the data being loaded.
  
  
  
  Data Model Changes: If there have been changes to the data model, such as adding or modifying fields, it can lead to invalidation of existing loads.
  
  
  Data Consistency Issues: If there are inconsistencies in the data or if the data is not in the expected format, it can lead to invalidation.
  
  
  Solution:
  To resolve the TSGEN204 error, you can follow these steps:
  
  
  Regenerate the Invalidated Loads:
  
  Go to the Data Warehousing Workbench (transaction code RSA1).
  Navigate to the InfoProvider or DataSource that has the invalidated loads.
  Use the "Manage" option to regenerate the invalidated loads. This may involve running the data load process again.
  
  
  
  Check for Errors:
  
  Review the logs of the previous data load attempts to identify any specific errors that caused the invalidation.
  Address any issues found in the logs, such as data format issues or transformation errors.
  
  
  
  Validate Data Model:
  
  Ensure that the data model is consistent and that all necessary changes have been applied correctly.
  If changes were made to InfoObjects or transformations, ensure that they are compatible with the existing data.
  
  
  
  Reprocess Data:
  
  If necessary, you may need to delete the invalidated data and reprocess the entire data load from the source system.
  
  
  
  Check for Dependencies:
  
  Ensure that any dependent objects (like DSO, InfoCubes, etc.) are also in a valid state and have been updated if necessary.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Loads), and RSPC (Process Chain).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices on data loading and handling invalidated loads.
  
  By following these steps, you should be able to resolve the TSGEN204 error and successfully regenerate the invalidated data loads in your SAP environment.