Error
Error Code:
1346
MariaDB Error 1346: Malformed Table Definition File
Description
This error occurs when MariaDB attempts to read a table definition file (.frm) and encounters an unrecognized or corrupted type identifier in its header. This typically indicates a problem with the table's metadata, preventing the server from correctly interpreting the table structure and accessing the table.
Error Message
File '%s' has unknown type '%s' in its header
Known Causes
3 known causesCorrupted Table Definition File
The .frm file, which stores the table's structure, has become corrupted due to disk issues, improper server shutdowns, or data transfer errors.
Incompatible MariaDB/MySQL Version
The .frm file was created by a significantly different or incompatible version of MariaDB or MySQL, leading to unrecognized header formats when read by the current server.
External File Modification
The .frm file was manually edited, altered by an external tool, or improperly restored, introducing an invalid or unknown type in its header.
Solutions
Coming SoonDetailed 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