MySQL 1145

This error occurs when a user attempts to grant privileges to a user or host that does not exist. It is a MySQL 1145 error code and the literal message is "Host '%s' is not allowed to be granted to the user '%s'".

How It Affects Your App

The impact of this error on an application is that it prevents users from accessing the database. This is because the error occurs when the user does not have the correct privileges to access the database from the specified host. This can lead to users being unable to access the data they need, or even being locked out of the database entirely. This can cause significant disruption to the application, as users are unable to access the data they need to perform their tasks.

How To Fix

1. Check the user privileges:SELECT User, Host, Select_priv FROM mysql.user;
2. Check the database name:SELECT DATABASE();
3. Check the table name:SHOW TABLES;
4. Grant the user privileges to the database:GRANT ALL PRIVILEGES ON database_name.* TO 'username'@'localhost';
5. Flush the privileges:FLUSH PRIVILEGES;
6. Use an automated database observability tool to monitor and fix the MySQL 1145 in question. Automated database observability tools can help identify and diagnose MySQL errors quickly and accurately. They can also provide real-time insights into the performance of the database, allowing for proactive monitoring and troubleshooting.

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