500 Internal Server Error.

PDOException: SQLSTATE[HY000] [1040] Too many connections in /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php:512
Stack trace:
#0 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php(512): PDO->__construct()
#1 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php(72): Fuel\Core\Database_PDO_Connection->_connect()
#2 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php(476): Fuel\Core\Database_PDO_Connection->connect()
#3 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/connection.php(676): Fuel\Core\Database_PDO_Connection->escape()
#4 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query/builder.php(136): Fuel\Core\Database_Connection->quote()
#5 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query/builder/select.php(466): Fuel\Core\Database_Query_Builder->_compile_conditions()
#6 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query.php(290): Fuel\Core\Database_Query_Builder_Select->compile()
#7 /home/kir390264/public_html/365life-realestate.com/fuelphp/app/classes/model/common.php(293): Fuel\Core\Database_Query->execute()
#8 /home/kir390264/public_html/365life-realestate.com/fuelphp/app/classes/controller/property/index.php(38): Model_Common::select()
#9 [internal function]: Controller_Property_Index->action_index()
#10 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/request.php(483): ReflectionMethod->invokeArgs()
#11 /home/kir390264/public_html/365life-realestate.com/index.php(133): Fuel\Core\Request->execute()
#12 /home/kir390264/public_html/365life-realestate.com/index.php(172): {closure}()
#13 {main}

Next Fuel\Core\Database_Exception: SQLSTATE[HY000] [1040] Too many connections in /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php:86
Stack trace:
#0 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/pdo/connection.php(476): Fuel\Core\Database_PDO_Connection->connect()
#1 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/connection.php(676): Fuel\Core\Database_PDO_Connection->escape()
#2 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query/builder.php(136): Fuel\Core\Database_Connection->quote()
#3 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query/builder/select.php(466): Fuel\Core\Database_Query_Builder->_compile_conditions()
#4 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/database/query.php(290): Fuel\Core\Database_Query_Builder_Select->compile()
#5 /home/kir390264/public_html/365life-realestate.com/fuelphp/app/classes/model/common.php(293): Fuel\Core\Database_Query->execute()
#6 /home/kir390264/public_html/365life-realestate.com/fuelphp/app/classes/controller/property/index.php(38): Model_Common::select()
#7 [internal function]: Controller_Property_Index->action_index()
#8 /home/kir390264/public_html/365life-realestate.com/fuelphp/core/classes/request.php(483): ReflectionMethod->invokeArgs()
#9 /home/kir390264/public_html/365life-realestate.com/index.php(133): Fuel\Core\Request->execute()
#10 /home/kir390264/public_html/365life-realestate.com/index.php(172): {closure}()
#11 {main}