ERROR: SQLSTATE[HY000] [1040] Too many connections

( ! ) Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0
Call Stack
#TimeMemoryFunctionLocation
10.0002241632{main}( ).../index.php:0
20.0004243448require_once( '/home/admin/web/dashboard.patikab.go.id/public_html/base/index.php' ).../index.php:15
30.0087422192Dispatcher->Dispatch( ).../index.php:22
40.0097458072Security::Instance( ).../Dispatcher.class.php:325
50.0097458640Security->__construct( ).../Security.class.php:38
60.0100479752Authentication->__construct( ).../Security.class.php:60
70.0100480080GT_User->GT_User( ).../Authentication.class.php:11
80.0100480664Database->__construct( ).../User.class.php:30
90.0108521960Database->Connect( ).../Database.class.php:80
100.0108522056PdoDatabaseEngine->Connect( ).../Database.class.php:133

( ! ) Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/sessions) in Unknown on line 0
Call Stack
#TimeMemoryFunctionLocation
10.0002241632{main}( ).../index.php:0
20.0004243448require_once( '/home/admin/web/dashboard.patikab.go.id/public_html/base/index.php' ).../index.php:15
30.0087422192Dispatcher->Dispatch( ).../index.php:22
40.0097458072Security::Instance( ).../Dispatcher.class.php:325
50.0097458640Security->__construct( ).../Security.class.php:38
60.0100479752Authentication->__construct( ).../Security.class.php:60
70.0100480080GT_User->GT_User( ).../Authentication.class.php:11
80.0100480664Database->__construct( ).../User.class.php:30
90.0108521960Database->Connect( ).../Database.class.php:80
100.0108522056PdoDatabaseEngine->Connect( ).../Database.class.php:133