PDO during setup

[kalykulam]

during setup i have a blank page.

Log : PHP Fatal error: Uncaught TypeError: PDO::construct() expects parameter 3 to be string, array given in /var/www/html/pathfinder/vendor/bcosca/fatfree-core/db/sql.php:519\nStack trace:\n#0 /var/www/html/pathfinder/vendor/bcosca/fatfree-core/db/sql.php(519): PDO->construct('mysql:host=loca...', 'phpmyadmin', Array, Array)\n#1 /var/www/html/pathfinder/app/Lib/Db/Sql.php(19): DB\SQL->construct('mysql:host=loca...', 'phpmyadmin', Array, Array)\n#2 /var/www/html/pathfinder/app/Lib/Db/Pool.php(185): Exodus4D\Pathfinder\Lib\Db\Sql->construct('mysql:host=loca...', 'phpmyadmin', Array, Array)\n#3 /var/www/html/pathfinder/app/Lib/Db/Pool.php(142): Exodus4D\Pathfinder\Lib\Db\Pool->newDB(Array)\n#4 /var/www/html/pathfinder/app/Controller/Controller.php(141): Exodus4D\Pathfinder\Lib\Db\Pool->getDB('PF')\n#5 /var/www/html/pathfinder/app/Controller/Controller.php(92): Exodus4D\Pathfinder\Controller\Controller->initSession(Object(Base))\n#6 /var/www/html/pathfinder/vendor/bcosca/fatfree-core/base.php(1924): Exodus4D\Pathfinder\Controller\Cont in /var/www/html/pathfinder/vendor/bcosca/fatfree-core/db/sql.php on line 519

Any help is welcome