MySQL Error 3508: Invalid Dictionary Object ID

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Description

This error signifies that MySQL's internal data dictionary cannot locate an object (such as a table, view, or routine) using the specified ID. It indicates an inconsistency within the database's metadata, where an expected dictionary entry is missing or corrupted.

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Error Message

Dictionary object id (%lu) does not exist.

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Known Causes

4 known causes

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Data Dictionary Corruption

The internal MySQL data dictionary, which stores metadata about database objects, may have become corrupted or inconsistent.

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Manual File System Changes

Altering database files directly on the file system, such as moving or deleting `.frm` or `.ibd` files, can desynchronize the dictionary.

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Incomplete Backup Restoration

Restoring a database from a backup that was not fully consistent or compatible with the target server's dictionary can cause object ID mismatches.

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Abrupt Server Shutdowns

Sudden or improper MySQL server shutdowns can prevent the data dictionary from being correctly updated, leading to inconsistencies.

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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

Find Help

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Related Errors

5 related errors