How To Fix DBACK019 - Check referential integrity between DB6NAVSYST and DBCON

SAP Error Message - Details

• Message type: E = Error

• Message class: DBACK - DBA Checks

• Message number: 019

• Message text: Check referential integrity between DB6NAVSYST and DBCON

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 DBACK019 - Check referential integrity between DB6NAVSYST and DBCON ?

  The SAP error message DBACK019 indicates an issue with the referential integrity between the database system tables, specifically between DB6NAVSYST and DBCON. This error typically arises during database operations, such as backups or when trying to access certain database connections.
  Cause:
  The error is usually caused by one of the following issues:
  
  Missing or Inconsistent Entries: There may be missing entries in the DBCON table that are referenced in the DB6NAVSYST table, or vice versa. This can happen due to manual changes, database migrations, or inconsistencies during system upgrades.
  Corrupted Database Entries: Corruption in the database tables can lead to referential integrity issues.
  Configuration Issues: Incorrect configuration settings in the database connection parameters can also lead to this error.
  
  Solution:
  To resolve the DBACK019 error, you can follow these steps:
  
  
  Check Database Connections:
  
  Use transaction code DB02 or DBACOCKPIT to check the database connections and their statuses.
  Ensure that all required database connections are correctly defined in the DBCON table.
  
  
  
  Verify Referential Integrity:
  
  Execute SQL queries to check for missing or inconsistent entries between DB6NAVSYST and DBCON.
  For example, you can run:
  SELECT * FROM DB6NAVSYST WHERE <condition>;
  SELECT * FROM DBCON WHERE <condition>;
  
  Compare the results to identify any discrepancies.
  
  
  
  Correct Inconsistencies:
  
  If you find missing entries, you may need to manually add them to the appropriate table.
  If there are corrupted entries, consider restoring them from a backup or recreating them as necessary.
  
  
  
  Check System Logs:
  
  Review the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after performing the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  DB6NAVSYST: This table typically contains information about the database systems that are connected to the SAP system.
  DBCON: This table holds the database connection parameters for the SAP system.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DB02, DBACOCKPIT, and SM21 for monitoring and managing database connections and logs.
  
  By following these steps, you should be able to identify and resolve the referential integrity issue causing the DBACK019 error.