My clients website is getting this error

1226 User 'sweetnsa_zc1' has exceeded the 'max_questions' resource (current value: 1)
in:
[select configuration_key as cfgkey, configuration_value as cfgvalue from zen_configuration]

I tried to use this fix found in the forums but when I did the page said We are having problems connecting to our databases
http://www.zen-cart.com/forum/showthread.php?t=24089