Internal Server Error

explode() expects parameter 2 to be string, array given

[/var/www/html/vendor/bcosca/fatfree/lib/base.php:2261] Base->error()
[/var/www/html/app/controllers/Redirecting.php:29] explode()
[/var/www/html/vendor/bcosca/fatfree/lib/base.php:1873] app\controllers\Redirecting->Redirecting()
[/var/www/html/vendor/bcosca/fatfree/lib/base.php:1673] Base->call()
[index.php:69] Base->run()