Error
Error Code: ORA-29342

Oracle Error ORA-29342: Missing User

📦 Oracle Database
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Description

The ORA-29342 error indicates that a specified user, who owns data within a pluggable set, does not exist in the database. This error occurs during import or operations involving pluggable databases when user mappings are incorrect or the user hasn't been created.
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Error Message

ORA-29342: user string does not exist in the database
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Known Causes

3 known causes
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User Does Not Exist
The user specified in the import process, or referenced in a pluggable database operation, has not been created within the target database. 💻
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Incorrect User Mapping
The FROM_USER and TO_USER mapping parameters used during import are configured incorrectly, pointing to a user that is not present. ⚙
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Orphaned User Reference
A database object or privilege is referencing a user that was previously dropped but the reference was not cleaned up. 🔒
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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