SEVERE  RDB::connect() [RDB::connect] Could not connect to the database
pg_pconnect(): Unable to connect to PostgreSQL server: FATAL:  remaining connection slots are reserved for non-replication superuser connections
$RAIN$_POST$_GET$_FILES
/lib/rain/RDBStatement.php:568, RDBStatement::execute()
(Error 1003) [RDB::connect] pg_pconnect(): Unable to connect to PostgreSQL server: FATAL:  remaining connection slots are reserved for non-replication superuser connections
/lib/rain/RDBStatement.php:535, RDBStatement::executeNotPrepared()
/modules/User/src/User.php:255, User::loadAccessRights()
/lib/rain/RModule.php:124, RModule::initializeUser()
/lib/rain/RModule.php:91, RModule::__construct()
/lib/rain/R.php:1761, R::run()
/index.php:140