How To Fix UJA_EXCEPTION191 - Failed to read data from model

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 191

• Message text: Failed to read data from model

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 UJA_EXCEPTION191 - Failed to read data from model ?

  The SAP error message UJA_EXCEPTION191: Failed to read data from model typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with data extraction or data retrieval from a data model. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Model Configuration Issues: The data model may not be properly configured, leading to issues in data retrieval.
  Data Source Problems: The data source from which the model is trying to read data may be unavailable or incorrectly set up.
  Authorization Issues: The user executing the query may not have the necessary authorizations to access the data model or the underlying data sources.
  Data Consistency Issues: There may be inconsistencies or corruption in the data that prevent it from being read correctly.
  Performance Issues: If the system is under heavy load, it may lead to timeouts or failures in data retrieval.
  Network Issues: Connectivity problems between the SAP system and the data source can also lead to this error.
  
  Solutions:
  
  Check Model Configuration: Review the configuration of the data model in SAP BW. Ensure that all settings are correct and that the model is activated.
  Validate Data Sources: Ensure that the data sources are available and correctly configured. Check if the data source is active and that the connection parameters are correct.
  Review Authorizations: Verify that the user has the necessary authorizations to access the data model and the underlying data sources. Adjust roles and permissions as needed.
  Data Consistency Check: Run consistency checks on the data model and the underlying data sources to identify and resolve any inconsistencies.
  Monitor System Performance: Check the system performance and resource utilization. If the system is under heavy load, consider optimizing queries or increasing system resources.
  Network Connectivity: Ensure that there are no network issues affecting connectivity between the SAP system and the data source. Check for firewalls, VPNs, or other network configurations that may be causing problems.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to check the status of data models and data sources.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.