# Page Not Found

The URL `ref/mdb/error-codes/ER_LOCK_OR_ACTIVE_TRANSACTION` does not exist.

You might be looking for one of these pages:
- [START TRANSACTION](https://mariadb.com/docs/server/reference/sql-statements/transactions/start-transaction.md)
- [XA Transactions](https://mariadb.com/docs/server/reference/sql-statements/transactions/xa-transactions.md)
- [Transactions](https://mariadb.com/docs/server/reference/sql-statements/transactions.md)
- [COM_RESET_CONNECTION](https://mariadb.com/docs/server/reference/clientserver-protocol/2-text-protocol/com_reset_connection.md)
- [MyRocks Transactional Isolation](https://mariadb.com/docs/server/server-usage/storage-engines/myrocks/myrocks-transactional-isolation.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://mariadb.com/docs/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://mariadb.com/docs/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/docs/server/reference/sql-statements/transactions/start-transaction.md`)
- Use `Accept: text/markdown` header for content negotiation