Exception: Database open connection error 1040: SQLSTATE[HY000] [1040] Too many connections
<br />35 modules/core/exception.php
<br />71 modules/core/database/pdo.php
<br />564 modules/core/database/pdo.php
<br />60 modules/core/querybuilder/statement.php
<br />487 modules/core/orm.php
<br />409 modules/core/entity.php
<br />100 modules/core/core.php
<br />50 bootstrap.php
<br />18 index.php