Site Down mysql too many connections

[stemforu]

Hi this has been occuring on my site intermittently for 3 months now. Now It's been down for a full day. Please help resolve.

General Error
SQL ERROR [ mysqli ]

Too many connections [1040]

An sql error occurred while fetching this page. Please contact an administrator if this problem persists.

site: stemforums.x10.mx

 

[apexx10h]

Level's database seems to be back online