How To Fix DMCLG190 - Internal error when loading BW data source master data

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 190

• Message text: Internal error when loading BW data source master data

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG190 - Internal error when loading BW data source master data ?

  The SAP error message DMCLG190, which indicates an "Internal error when loading BW data source master data," typically arises during the data extraction process in SAP BW (Business Warehouse). This error can be caused by various factors, including issues with the data source configuration, problems with the underlying data model, or inconsistencies in the data itself.
  Causes:
  
  Data Source Configuration Issues: The data source may not be properly configured, leading to errors during the extraction process.
  Inconsistent Data: There may be inconsistencies or errors in the master data that are being loaded, such as missing or invalid entries.
  Data Model Changes: Changes in the underlying data model or structure of the source system can lead to incompatibilities.
  Authorization Issues: Lack of proper authorizations for the user executing the data load can also trigger this error.
  System Performance: Resource constraints or performance issues in the SAP BW system can lead to internal errors during data processing.
  
  Solutions:
  
  Check Data Source Configuration: Verify that the data source is correctly configured in the SAP BW system. Ensure that all necessary fields are mapped correctly.
  Validate Master Data: Review the master data in the source system for any inconsistencies or errors. Correct any issues found.
  Review Change Logs: If there have been recent changes to the data model, review the change logs to identify any potential issues that may have arisen from those changes.
  Check Authorizations: Ensure that the user executing the data load has the necessary authorizations to access the data source and perform the load.
  Monitor System Performance: Check the performance of the SAP BW system. If the system is under heavy load, consider scheduling the data load during off-peak hours.
  Use Transaction Codes: Utilize transaction codes like RSA3 (to test the data source) and RSMO (to monitor data loads) to troubleshoot and gather more information about the error.
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause of the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Refer to the official SAP BW documentation for best practices on data loading and troubleshooting common errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation and resolution.