Error
Error Code: ORA-30014

Oracle ORA-30014: Undo Mode Mismatch

📦 Oracle Database
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Description

The ORA-30014 error indicates an attempt to perform an operation that requires Automatic Undo Management (AUM) when the database instance is not configured to use it. This typically occurs when attempting undo-related operations in manual undo mode.
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Error Message

operation only supported in Automatic Undo Management mode
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Known Causes

2 known causes
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Incorrect Undo Mode
The database instance is configured to use manual undo management instead of automatic undo management.
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Configuration Change
The undo management mode was recently changed, and the instance hasn't been restarted to reflect the change.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

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