Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 1267 Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '=' in /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:444 Stack trace: #0 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(444): PDO->prepare() #1 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(753): Illuminate\Database\Connection->{closure:Illuminate\Database\Connection::cursor():435}() #2 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(720): Illuminate\Database\Connection->runQueryCallback() #3 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(435): Illuminate\Database\Connection->run() #4 /home/revistainclusiones/public_html/lib/pkp/classes/site/VersionDAO.php(197): Illuminate\Database\Connection->cursor() #5 /home/revistainclusiones/public_html/lib/pkp/classes/core/PKPApplication.php(449): PKP\site\VersionDAO->getCurrentProducts() #6 /home/revistainclusiones/public_html/lib/pkp/classes/plugins/PluginRegistry.php(216): PKP\core\PKPApplication->getEnabledProducts() #7 /home/revistainclusiones/public_html/lib/pkp/classes/plugins/PluginRegistry.php(112): PKP\plugins\PluginRegistry::_loadFromDatabase() #8 /home/revistainclusiones/public_html/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory() #9 /home/revistainclusiones/public_html/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #10 /home/revistainclusiones/public_html/index.php(21): PKP\core\PKPApplication->execute() #11 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 1267 Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '=' (SQL: SELECT v.* FROM versions v LEFT JOIN plugin_settings ps ON LOWER(v.product_class_name) = ps.plugin_name AND ps.setting_name = 'enabled' AND (context_id = 1 OR v.sitewide = 1) WHERE v.current = 1 AND (ps.setting_value = '1' OR v.lazy_load <> 1)) in /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:760 Stack trace: #0 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(720): Illuminate\Database\Connection->runQueryCallback() #1 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(435): Illuminate\Database\Connection->run() #2 /home/revistainclusiones/public_html/lib/pkp/classes/site/VersionDAO.php(197): Illuminate\Database\Connection->cursor() #3 /home/revistainclusiones/public_html/lib/pkp/classes/core/PKPApplication.php(449): PKP\site\VersionDAO->getCurrentProducts() #4 /home/revistainclusiones/public_html/lib/pkp/classes/plugins/PluginRegistry.php(216): PKP\core\PKPApplication->getEnabledProducts() #5 /home/revistainclusiones/public_html/lib/pkp/classes/plugins/PluginRegistry.php(112): PKP\plugins\PluginRegistry::_loadFromDatabase() #6 /home/revistainclusiones/public_html/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory() #7 /home/revistainclusiones/public_html/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #8 /home/revistainclusiones/public_html/index.php(21): PKP\core\PKPApplication->execute() #9 {main} thrown in /home/revistainclusiones/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760