Getting this error. Not able to log in : "Server Error, code : 500"

[Error] Timestamp: 2023-04-18T13:34:51+00:00 [Error] Method: GET [Error] URL: /v1/avatars/browsers/:code [Error] Type: Utopia\Exception [Error] Message: Invalid code: Value must be one of (aa, an, ch, ci, cm, cr, ff, sf, mf, ps, oi, om, op, on) [Error] File: /usr/src/code/vendor/utopia-php/framework/src/App.php [Error] Line: 756 [Error] Type: PDOException [Error] Message: MySQL server has gone away [Error] File: @swoole-src/library/core/Database/PDOProxy.php [Error] Line: 58

TL;DR

The user is experiencing a "Server Error, code : 500" and suspects it may be a swoole problem. They mention that they are using version 0.15.3 since last year and have not updated because they don't require new features. There is a suggestion to check the appwrite version, but the user confirms they are using 0.15.3. The thread includes an error message indicating an invalid code and a PDOException related to a MySQL server issue. No solution is provided in the thread.