Strange File Logs

These logs appear in our File Logs (not System Logs) section of the ACP, any idea what they mean?:

Quote

topic_call.php

<?php exit; ?>

Sun, 30 Jan 2022 05:22:10 +0000
IPS\Db\Exception::2006
MySQL server has gone away
#0 /home/***/public_html/forums/system/Db/Select.php(388): IPS\_Db->preparedQuery()
#1 /home/***/public_html/forums/system/Db/Select.php(446): IPS\Db\_Select->runQuery()
#2 /home/***/public_html/forums/system/Db/Select.php(370): IPS\Db\_Select->rewind()
#3 /home/***public_html/forums/system/Content/Controller.php(2270): IPS\Db\_Select->first()
#4 /home/***/public_html/forums/applications/forums/modules/front/forums/topic.php(1096): IPS\Content\_Controller->_find()
#5 /home/***/public_html/forums/system/Content/Controller.php(2207): IPS\forums\modules\front\forums\_topic->_find()
#6 /home/***/public_html/forums/applications/forums/modules/front/forums/topic.php(1215): IPS\Content\_Controller->__call()
#7 /home/***/public_html/forums/system/Dispatcher/Controller.php(90): IPS\forums\modules\front\forums\_topic->__call()
#8 /home/***/public_html/forums/system/Content/Controller.php(50): IPS\Dispatcher\_Controller->execute()
#9 /home/***/public_html/forums/applications/forums/modules/front/forums/topic.php(39): IPS\Content\_Controller->execute()
#10 /home/***/public_html/forums/system/Dispatcher/Dispatcher.php(153): IPS\forums\modules\front\forums\_topic->execute()
#11 /home/***/public_html/forums/index.php(13): IPS\_Dispatcher->run()
#12 {main}

Quote

uncaught_exception.php

<?php exit; ?>

Wed, 19 Jan 2022 17:11:25 +0000
Error: Call to undefined method stdClass::language() (0)
#0 /home/***/public_html/forums/system/Dispatcher/Front.php(800): IPS\Dispatcher\_Standard::baseJs()
#1 /home/***/public_html/forums/init.php(903) : eval()'d code(16): IPS\Dispatcher\_Front::baseJs()
#2 /home/***/public_html/forums/system/Dispatcher/Front.php(82): IPS\Dispatcher\bimchatbox_hook_includeJSandCSS::baseJs()
#3 /home/***/public_html/forums/system/Dispatcher/Dispatcher.php(110): IPS\Dispatcher\_Front->init()
#4 /home/***/public_html/forums/index.php(13): IPS\_Dispatcher::i()
#5 {main}
#0 /home/***/public_html/forums/init.php(1005): IPS\_Log::log()
#1 [internal function]: IPS\IPS::exceptionHandler()
#2 {main}

Our IPS version is 4.6.9 and PHP version is 7.4.26. I have been told that std Class language is a database connection error but not sure how to resolve that.