Exception: Database open connection error 1040: SQLSTATE[HY000] [1040] Too many connections
36 modules/core/exception.php
87 modules/core/database/pdo.php
580 modules/core/database/pdo.php
61 modules/core/querybuilder/statement.php
491 modules/core/orm.php
410 modules/core/entity.php
103 modules/core/core.php
41 bootstrap.php
23 index.php