Exception: Database open connection error 1040: SQLSTATE[HY000] [1040] Too many connections
<br />36 modules/core/exception.php
<br />87 modules/core/database/pdo.php
<br />580 modules/core/database/pdo.php
<br />61 modules/core/querybuilder/statement.php
<br />491 modules/core/orm.php
<br />470 modules/core/entity.php
<br />103 modules/core/core.php
<br />41 bootstrap.php
<br />18 index.php