bool(false)
<br />
<b>Fatal error</b>:  Uncaught TypeError: mysqli_error(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/crmapi/_inc/mysql_to_mysqli.php:57
Stack trace:
#0 /var/www/crmapi/_inc/mysql_to_mysqli.php(57): mysqli_error()
#1 /var/www/crmapi/_inc/db.php(44): mysql_error()
#2 /var/www/crmapi/_inc/core.php(140): cDB-&gt;connect()
#3 /var/www/crmapi/index.php(17): cCore-&gt;__construct()
#4 {main}
  thrown in <b>/var/www/crmapi/_inc/mysql_to_mysqli.php</b> on line <b>57</b><br />