Exception

Database connection failed: SQLSTATE[HY000] [1040] Too many connections

#0 /home/polinfor/w.olsztyn.pl/app/core/Database.php(36): Database->__construct()
#1 /home/polinfor/w.olsztyn.pl/app/models/Category.php(9): Database::getInstance()
#2 /home/polinfor/w.olsztyn.pl/app/controllers/CategoryController.php(122): Category->__construct()
#3 /home/polinfor/w.olsztyn.pl/app/core/Router.php(108): CategoryController->show(Array)
#4 /home/polinfor/w.olsztyn.pl/app/core/Router.php(74): Router::executeController('CategoryControl...', 'show', Array)
#5 /home/polinfor/w.olsztyn.pl/index.php(63): Router::dispatch()
#6 {main}