Error
Error Code:
3997
MySQL Error 3997: Invalid Time Zone Interval
Description
This error indicates that MySQL encountered a time zone specification (either an interval or a named time zone) that it could not parse or recognize. It typically occurs when setting the `time_zone` system variable, using time zone conversion functions, or during database operations that implicitly involve time zone handling, if the provided time zone format is incorrect or the necessary time zone data is missing.
Error Message
Invalid time zone interval: '%s'
Known Causes
4 known causesMalformed Time Zone String
The time zone string provided, such as a UTC offset, does not adhere to MySQL's expected syntax (e.g., `'+HH:MM'` or `'-HH:MM'`).
Missing Time Zone Data
MySQL's internal time zone tables (e.g., `mysql.time_zone_name`) have not been populated, preventing the recognition of named time zones like 'America/New_York'.
Unrecognized Named Time Zone
An alias or short name for a time zone (e.g., 'EST', 'PST') was used that is not mapped or recognized by the loaded time zone data in MySQL.
Typographical Error in Input
A simple typo or mischaracter in the time zone string or name prevents MySQL from parsing it correctly.
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