Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

Notice: Trying to access array offset on value of type null in /var/www/html/creditcard-entry.com/www/inc/function.mysqli.inc on line 31

select * from card where crid = and disp = 1

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'and disp = 1' at line 1