Slim Application Error

The application could not run because of the following error:

Details:

Message: SQLSTATE[08004] [1040] Too many connections
File: /data/projects/core_SSL_ENERO_2018/vendor/Idiorm/idiorm.php
Line: 186

Stack Trace:

#0 /data/projects/core_SSL_ENERO_2018/vendor/Idiorm/idiorm.php(186): PDO->__construct('mysql:host=loca...', 'periquitobaseda...', '7M1U22En=vs95BA...', Array)
#1 /data/projects/core_SSL_ENERO_2018/vendor/Paris/paris.php(91): ORM::_setup_db()
#2 /data/projects/core_SSL_ENERO_2018/vendor/Paris/paris.php(229): ORMWrapper::for_table('geo_country_cod...')
#3 /data/projects/core_SSL_ENERO_2018/app/routes/www/geonames.php(528): Model::factory('geoCountry')
#4 /data/projects/core_SSL_ENERO_2018/lib/Slim/Route.php(392): location('united-kingdom', 'woodcocks-solic...')
#5 /data/projects/core_SSL_ENERO_2018/lib/Slim/Slim.php(1053): Slim_Route->dispatch()
#6 /data/projects/core_SSL_ENERO_2018/index.php(279): Slim->run()
#7 {main}