STCMS v4.06 - Fatal error (STCMS)

Could not connect to database

Database mysql

Mysql error [1040]: Too many connections
Query:

Backtrace

1. STCMS_Error->STCMS_Error()on mysql.database.class.php:29
2. mysql->connect()on stcms.class.php:83
3. STCMS::loadDependencies()on stcms.class.php:21
4. STCMS::website()on index.php:3