How To Fix DS157 - Internal error reading/writing SMODISRC for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DS - Messages for Editing Text Elements in ABAP Programs

• Message number: 157

• Message text: Internal error reading/writing SMODISRC for &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DS157 - Internal error reading/writing SMODISRC for &1 ?

  The SAP error message DS157, which states "Internal error reading/writing SMODISRC for &1," typically indicates an issue related to the data source or the data extraction process in SAP BW (Business Warehouse). This error can occur during data extraction, transformation, or loading (ETL) processes, particularly when dealing with DataSources or InfoSources.
  Causes:
  
  DataSource Configuration Issues: There may be a misconfiguration in the DataSource settings, such as incorrect field mappings or missing fields.
  DataSource Activation: The DataSource may not be activated properly in the SAP system.
  Transport Issues: If the DataSource was transported from one system to another, there may be inconsistencies or missing objects.
  Database Issues: There could be underlying database issues, such as corruption or connectivity problems.
  Authorization Issues: The user executing the data extraction may not have the necessary authorizations to access the DataSource.
  
  Solutions:
  
  
  Check DataSource Configuration:
  
  Go to the DataSource in the SAP BW system and verify that all settings are correct.
  Ensure that all fields are correctly mapped and that there are no missing fields.
  
  
  
  Activate DataSource:
  
  If the DataSource is not activated, activate it in the Data Warehousing Workbench (transaction RSA1).
  Check if there are any errors during activation and resolve them.
  
  
  
  Review Transport Logs:
  
  If the DataSource was recently transported, check the transport logs for any errors or warnings.
  Ensure that all dependent objects are also transported correctly.
  
  
  
  Database Check:
  
  Perform a database consistency check to ensure that there are no issues with the underlying database.
  If necessary, consult with your database administrator to resolve any database-related issues.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to access the DataSource.
  If needed, adjust the user roles and authorizations accordingly.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify the exact point of failure.
  Use transaction ST22 to check for any dumps that may provide more insight into the error.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA3 (DataSource Test), and ST22 (Dump Analysis) for further investigation.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.