(x) Unkown Error

Sorry, an error occurred.

at /home/www/public_html/phpopenchat/include/adodb/drivers/adodb-mysql.inc.php:21
[2048] Declaration of ADODB_mysql::MetaColumns() should be compatible with & ADOConnection::MetaColumns($table, $upper = true)

Could not connect to database! Please check your database setup in config.inc.php by using the POC Installer!

PHP 5.6.40-0+deb8u4 (Linux)
Browser: CCBot/2.0 (https://commoncrawl.org/faq/)
Webserver: Apache
URI: http://www.tauka.biz/phpopenchat/