How To Fix UJT018 - SQL error while deleting data from database table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UJT -

• Message number: 018

• Message text: SQL error while deleting data from database table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJT018 - SQL error while deleting data from database table &1 ?

  The SAP error message UJT018, which indicates an SQL error while deleting data from a database table, typically arises due to various reasons related to database constraints, locks, or issues with the SQL statement itself. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  
  Foreign Key Constraints: The record you are trying to delete may be referenced by other tables through foreign key relationships. If there are dependent records in other tables, the deletion will fail.
  
  
  Database Locks: The table or the specific record may be locked by another transaction. This can happen if another user or process is currently accessing the data.
  
  
  Insufficient Permissions: The user executing the delete operation may not have the necessary permissions to delete records from the specified table.
  
  
  Invalid SQL Statement: There may be an issue with the SQL syntax or the way the delete operation is being executed.
  
  
  Data Integrity Issues: There may be issues with the data itself, such as corruption or inconsistencies that prevent the deletion.
  
  
  Solutions:
  
  
  Check Foreign Key Constraints: 
  
  Use transaction codes like SE11 (Data Dictionary) to check the table structure and identify any foreign key relationships.
  If there are dependent records, you may need to delete those records first or use cascading deletes if appropriate.
  
  
  
  Release Locks: 
  
  Check for locks using transaction code SM12. If you find any locks on the table or record, you may need to wait for the other transaction to complete or, if necessary, release the lock (with caution).
  
  
  
  Verify User Permissions: 
  
  Ensure that the user has the necessary authorizations to perform delete operations on the table. This can be checked in transaction SU53 or by consulting with your security team.
  
  
  
  Review SQL Statement: 
  
  If you are executing a custom SQL statement, review it for correctness. Ensure that the syntax is valid and that you are targeting the correct records.
  
  
  
  Check Data Integrity: 
  
  Run consistency checks on the database to ensure there are no integrity issues. This may involve using transaction codes like DB02 or DBACOCKPIT.
  
  
  
  Consult Logs: 
  
  Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the failure.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SM12: Display Locks
  SU53: Authorization Check
  SLG1: Application Log
  DB02: Database Performance Analysis
  
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to UJT018 or SQL errors.
  
  
  
  Database Administration: 
  
  If the issue persists, it may be beneficial to involve your database administrator (DBA) to investigate any underlying database issues.
  
  
  
  By following these steps, you should be able to identify the cause of the UJT018 error and implement a suitable solution.