Random Server Error

[Freelancer]

No idea what caused this...

Error Info
Argument 1 passed to Nobita_Teams_Model_Team::canViewTeam() must be of the type array, boolean given, called in /var/www/clients/client180/web812/web/library/Nobita/Teams/AlertHandler/Member.php on line 15 - library/Nobita/Teams/Model/Team.php:1386

Stack Trace
#0 /var/www/clients/client180/web812/web/library/Nobita/Teams/AlertHandler/Member.php(15): Nobita_Teams_Model_Team->canViewTeam(false, false, NULL, Array)
#1 /var/www/clients/client180/web812/web/library/XenPushover/Model/Pushover.php(670): Nobita_Teams_AlertHandler_Member->canViewAlert(Array, false, Array)
#2 /var/www/clients/client180/web812/web/library/XenPushover/Deferred/AlertQueue.php(22): XenPushover_Model_Pushover->push(57478, 2)
#3 /var/www/clients/client180/web812/web/library/XenForo/Model/Deferred.php(295): XenPushover_Deferred_AlertQueue->execute(Array, Array, 7.886913061142, 'Rebuilding... [...')
#4 /var/www/clients/client180/web812/web/library/XenForo/Model/Deferred.php(429): XenForo_Model_Deferred->runDeferred(Array, 7.886913061142, 'Rebuilding... [...', false)
#5 /var/www/clients/client180/web812/web/library/XenForo/Model/Deferred.php(374): XenForo_Model_Deferred->_runInternal(Array, 8, 'Rebuilding... [...', false)
#6 /var/www/clients/client180/web812/web/deferred.php(23): XenForo_Model_Deferred->run(false)
#7 {main}

Request State
Array
(
    [url] => https://www.mywebsite.com/deferred.php
    [_GET] => Array
        (
        )

    [_POST] => Array
        (
            [_xfRequestUri] => /pages/random-page/
            [_xfNoRedirect] => 1
            [_xfResponseType] => json
        )

)