How To Fix UJC_EXCEPTION019 - Error occurred in module enable check; database connection error

SAP Error Message - Details

• Message type: E = Error

• Message class: UJC_EXCEPTION - BPC: Message Class for UJC Exception

• Message number: 019

• Message text: Error occurred in module enable check; database connection error

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 UJC_EXCEPTION019 - Error occurred in module enable check; database connection error ?

  The SAP error message UJC_EXCEPTION019 indicates that there is a problem with the database connection during a module enable check. This error can occur in various contexts, such as when trying to enable a specific module or when performing operations that require database access.
  Causes:
  
  Database Connectivity Issues: The most common cause is a failure in the connection between the SAP application and the database. This could be due to network issues, database server downtime, or incorrect connection parameters.
  Configuration Errors: Incorrect configuration settings in the SAP system or database connection parameters can lead to this error.
  Database Locking: If the database is locked or if there are issues with database transactions, it may prevent the SAP system from accessing the required data.
  Resource Limitations: Insufficient resources on the database server (like memory or CPU) can lead to connection failures.
  User Permissions: The user account being used to connect to the database may not have the necessary permissions to perform the required operations.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Verify that the database server is up and running.
  Check network connectivity between the SAP application server and the database server.
  Use tools like ping or telnet to test connectivity.
  
  
  
  Review Configuration Settings:
  
  Ensure that the database connection parameters (like hostname, port, username, and password) are correctly configured in the SAP system.
  Check the SAP instance profile for any misconfigurations.
  
  
  
  Database Logs:
  
  Review the database logs for any errors or warnings that might indicate the cause of the connection issue.
  Look for any locking issues or transaction failures.
  
  
  
  User Permissions:
  
  Verify that the user account used for the database connection has the necessary permissions to access the required tables and perform the operations.
  
  
  
  Resource Monitoring:
  
  Monitor the database server for resource usage (CPU, memory, disk I/O) to ensure it is not overloaded.
  If resource limitations are identified, consider optimizing queries or increasing server resources.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting the SAP application server and/or the database server to clear any transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to UJC_EXCEPTION019 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to SAP documentation for troubleshooting database connectivity issues, as it may provide additional insights and steps tailored to your specific SAP version and database type.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis team or database administrator for further investigation.