Readwrite db connection failed for host localhost: Too many connections (1040)
Error

Error

Error: Database connection failed

It is possible that the database is overloaded or otherwise not running properly.

The site administrator should also check that the database details have been correctly specified in config.php

Debug info: Too many connections (1040)
Error code: dbconnectionfailed
Stack trace:
  • line 580 of /public/lib/dml/mysqli_native_moodle_database.php: dml_connection_exception thrown
  • line 283 of /public/lib/dml/moodle_read_replica_trait.php: call to mysqli_native_moodle_database->raw_connect()
  • line 257 of /public/lib/dml/moodle_read_replica_trait.php: call to mysqli_native_moodle_database->set_dbhwrite()
  • line 344 of /public/lib/dmllib.php: call to mysqli_native_moodle_database->connect()
  • line 691 of /public/lib/setup.php: call to setup_DB()
  • line 29 of /lib/setup.php: call to require_once()
  • line 34 of /config.php: call to require_once()
  • line 31 of /public/config.php: call to require_once()
  • line 28 of /public/mod/lesson/view.php: call to require_once()