Error
Error Code:
3509
MySQL Error 3509: Invalid Dictionary Object Name
Description
Error 3509 indicates that a name provided for a database object (e.g., table, column, index, view) does not comply with MySQL's naming conventions. This typically occurs during DDL operations when creating, altering, or dropping objects with malformed or improperly quoted names.
Error Message
Dictionary object name '%s' is invalid. (%s)
Known Causes
4 known causesInvalid Naming Conventions
Object names must adhere to MySQL's rules regarding allowed characters, length, and starting characters.
Using Reserved Keywords
Attempting to use a MySQL reserved keyword as an object name without proper quoting will result in an invalid name.
Unquoted Special Characters
Object names containing special characters or spaces require proper quoting (e.g., with backticks) to be considered valid by MySQL.
Exceeding Name Length Limits
MySQL imposes maximum length limits for different types of database object names, which must not be exceeded.
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