OJS 3.3.0.4 and 3.3.0.5
Description of issue: Reviews stage. Have any users experienced a problem finding reviewers in the review stage? In our case, the actual loading of the Add Reviewer form takes too long (more than a minute) and the search Locate a reviewer takes several minutes or crashes. The known reviewer user is not found.
Error log: [22-Apr-2021 07:25:27 America/Chicago] ojs2: 404 Not Found
[21-Apr-2021 10:06:12 UTC] PHP Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2013 Lost connection to MySQL server during query in journals/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php:115
Stack trace: #0 journals/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOStatement.php(115): PDOStatement->execute(NULL) #1 journals/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(370): Doctrine\DBAL\Driver\PDOStatement->execute() #2 journals/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database{closure}(Object(Illuminate\Database\Query\Expression), Array) #3 journals/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(745): Illuminate\Database\Connection->runQueryCallback(Object(Illuminate\Database\Query\Expression), Ar in journals/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671