Exception: Database open connection error 1040: SQLSTATE[HY000] [1040] Too many connections
35 modules/core/exception.php
71 modules/core/database/pdo.php
553 modules/core/database/pdo.php
60 modules/core/querybuilder/statement.php
477 modules/core/orm.php
383 modules/core/entity.php
100 modules/core/core.php
45 bootstrap.php
18 index.php