Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1253 COLLATION 'utf8mb4_general_ci' is not valid for CHARACTER SET 'utf8' in /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connectors/MySqlConnector.php:56 Stack trace: #0 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connectors/MySqlConnector.php(56): PDO->prepare() #1 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connectors/MySqlConnector.php(30): Illuminate\Database\Connectors\MySqlConnector->configureEncoding() #2 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connectors/ConnectionFactory.php(182): Illuminate\Database\Connectors\MySqlConnector->connect() #3 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #4 /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connection.php(919): call_user_func() #5 /home/revistainclusiones/publ in /home/revistainclusiones/public_html/lib/pkp/lib/vendor/illuminate/database/Connection.php on line 664