How To Fix UJC_EXCEPTION018 - Error occurred in table status check; database connection error

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 018

• Message text: Error occurred in table status 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.

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 UJC_EXCEPTION018 - Error occurred in table status check; database connection error ?

  The SAP error message UJC_EXCEPTION018 indicates that there was an issue during a table status check, specifically related to a database connection error. This error can occur in various contexts, such as during data processing, job scheduling, or when accessing certain database tables.
  Causes:
  
  Database Connectivity Issues: The most common cause is a failure in the connection between the SAP application server and the database server. This could be due to network issues, database server downtime, or incorrect connection parameters.
  Database Locking: If the database is locked or if there are long-running transactions, it may prevent the application from accessing the required tables.
  Configuration Issues: Incorrect configuration settings in the SAP system or database settings can lead to connection problems.
  Resource Limitations: Insufficient resources (like memory or CPU) on the database server can also lead to connection errors.
  Database Corruption: In rare cases, corruption in the database tables can lead to errors when trying to access them.
  
  Solutions:
  
  
  Check Database Connection:
  
  Verify that the database server is up and running.
  Check network connectivity between the SAP application server and the database server.
  Ensure that the database connection parameters (like hostname, port, username, and password) are correctly configured in the SAP system.
  
  
  
  Review System Logs:
  
  Check the SAP system logs (transaction SM21) and the database logs for any additional error messages that could provide more context about the issue.
  
  
  
  Database Performance:
  
  Monitor the performance of the database server to ensure it is not overloaded. Check for long-running queries or locks that might be causing the issue.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting the SAP application server and/or the database server to clear any transient issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation related to the specific version of SAP you are using. There may be known issues or patches available.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including any logs and the context in which the error occurred.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log), ST22 (Dump Analysis), and DB02 (Database Performance) to gather more information about the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide guidance on troubleshooting database connection issues.
  System Configuration: Review the configuration settings in transaction code RZ10 (Profile Parameters) and RZ11 (Profile Parameter Maintenance) to ensure that they are set correctly for your environment.
  
  By following these steps, you should be able to diagnose and resolve the UJC_EXCEPTION018 error effectively.