MyBB has experienced an internal SQL error and cannot continue.
SQL Error:
1040 - Too many connections
Query:
[READ] Unable to connect to MySQL server
what goin on and how to edit error massage with html user friendly
It's likely that your host has the SQL connection limit set too low to save resources.
Open PHPMyAdmin, go variables and see what it says for max connections. For a default cPanel configuration it should be set to 100.
oh ok but how to change variables, sorry i'm expert user
Contact your host saying they need to change the max connections to a higher value.