ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0

This error message indicates that the MySQL client was unable to establish a connection to the server. There are a few possible reasons for this error, including:

1. Network connectivity issues: If there are problems with the network connection between the client and server, the client may not be able to establish a connection.

2. Firewall or security settings: If the server is behind a firewall or has other security settings that are preventing the client from connecting, this error can occur.

3. Incorrect MySQL configuration: If the MySQL server is not configured correctly, the client may not be able to connect.

4. Resource limitations: If the server is running out of resources (such as memory or CPU), it may not be able to handle incoming connections.

To resolve this error, you can try the following steps:

1. Check network connectivity: Ensure that the client and server are on the same network and that there are no issues with the network connection.

2. Check firewall and security settings: Make sure that the server is configured to allow incoming connections from the client.

3. Check MySQL configuration: Verify that the MySQL server is configured correctly and that it is running properly.

4. Check resource usage: Check the server's resource usage (such as memory and CPU) and make sure that it is not being overloaded.

If none of these steps resolve the issue, you may need to consult with a MySQL expert or contact the MySQL support team for further assistance.