How To Fix UJN_MSG004 - Read master data from infoobject &1 failed!

SAP Error Message - Details

• Message type: E = Error

• Message class: UJN_MSG - BPC: Error Message in UJN Package

• Message number: 004

• Message text: Read master data from infoobject &1 failed!

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 UJN_MSG004 - Read master data from infoobject &1 failed! ?

  The SAP error message UJN_MSG004, which states "Read master data from infoobject &1 failed," typically indicates that there is an issue with accessing or retrieving master data for a specific InfoObject in SAP BW (Business Warehouse). This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Missing Master Data: The master data for the specified InfoObject may not exist in the database.
  Data Model Issues: There may be inconsistencies or issues in the data model, such as incorrect InfoObject settings or missing attributes.
  Authorization Issues: The user may not have the necessary authorizations to access the master data for the specified InfoObject.
  Data Source Issues: The data source from which the master data is being read may be inactive or not properly configured.
  Transport Issues: If the InfoObject was recently transported from another system, there may be issues with the transport that need to be resolved.
  Database Issues: There could be underlying database issues, such as connectivity problems or database corruption.
  
  Solutions:
  
  Check Master Data: Verify that the master data for the specified InfoObject exists in the system. You can do this by navigating to the relevant InfoObject in the SAP BW modeling tools.
  Review Data Model: Ensure that the InfoObject is correctly configured and that all necessary attributes and hierarchies are defined.
  Check Authorizations: Ensure that the user has the appropriate authorizations to access the master data. This can be done by checking the user roles and authorizations in the SAP system.
  Validate Data Source: Check the configuration of the data source from which the master data is being read. Ensure that it is active and properly set up.
  Transport Check: If the InfoObject was recently transported, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  Database Health Check: Perform a health check on the database to ensure that there are no connectivity issues or corruption. This may involve working with your database administrator.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoObjects and master data.
  Logs and Traces: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP BW documentation for best practices on managing master data and InfoObjects.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.