Error connecting to database - check your database connection properties in the constants.php file!

SQLSTATE[08004] [1040] Too many connections
PHP Version : 8.1.34

Fatal error: Uncaught Error: PDO object is not initialized, constructor was not called in /var/www/vhosts/platzreife.at/httpdocs/include/Functions.php:48 Stack trace: #0 /var/www/vhosts/platzreife.at/httpdocs/include/Functions.php(48): PDO->prepare() #1 /var/www/vhosts/platzreife.at/httpdocs/kurse.php(4): Functions->getSucheMonat() #2 {main} thrown in /var/www/vhosts/platzreife.at/httpdocs/include/Functions.php on line 48