This has happened before and it seemed to be the maintenance.flag file staying so I would have to rename it "maintenance.flag_", I fixed this by not allowing it to put the site into maintenance mode while doing backups.
New issue popped up this morning with the Error code "933412900636" and the contents listed below;
a:4:{i:0;s:98:"SQLSTATE[28000] [1045] Access denied for user 'pctekcom_magento'@'127.0.0.1' (using password: YES)";i:1;s:2994:"
#0 /home/pctekcom/public_html/lib/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /home/pctekcom/public_html/lib/Varien/Db/Adapter/Pdo/Mysql.php(396): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /home/pctekcom/public_html/lib/Zend/Db/Adapter/Abstract.php(460): Varien_Db_Adapter_Pdo_Mysql->_connect()
#3 /home/pctekcom/public_html/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SET NAMES utf8', Array)
#4 /home/pctekcom/public_html/lib/Varien/Db/Adapter/Pdo/Mysql.php(504): Zend_Db_Adapter_Pdo_Abstract->query('SET NAMES utf8', Array)
#5 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource.php(179): Varien_Db_Adapter_Pdo_Mysql->query('SET NAMES utf8')
#6 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource.php(110): Mage_Core_Model_Resource->_newConnection('pdo_mysql', Object(Mage_Core_Model_Config_Element))
#7 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(320): Mage_Core_Model_Resource->getConnection('core_write')
#8 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(350): Mage_Core_Model_Resource_Db_Abstract->_getConnection('write')
#9 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(335): Mage_Core_Model_Resource_Db_Abstract->_getWriteAdapter()
#10 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource/Db/Abstract.php(360): Mage_Core_Model_Resource_Db_Abstract->_getReadAdapter()
#11 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Resource/Db/Collection/Abstract.php(134): Mage_Core_Model_Resource_Db_Abstract->getReadConnection()
#12 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Config.php(1348): Mage_Core_Model_Resource_Db_Collection_Abstract->__construct(Object(Mage_Core_Model_Resource_Website))
#13 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Config.php(1380): Mage_Core_Model_Config->getModelInstance('core_resource/w...', Object(Mage_Core_Model_Resource_Website))
#14 /home/pctekcom/public_html/app/Mage.php(491): Mage_Core_Model_Config->getResourceModelInstance('core/website_co...', Object(Mage_Core_Model_Resource_Website))
#15 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Abstract.php(208): Mage::getResourceModel('core/website_co...', Object(Mage_Core_Model_Resource_Website))
#16 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/Abstract.php(213): Mage_Core_Model_Abstract->getResourceCollection()
#17 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/App.php(608): Mage_Core_Model_Abstract->getCollection()
#18 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/App.php(466): Mage_Core_Model_App->_initStores()
#19 /home/pctekcom/public_html/app/code/core/Mage/Core/Model/App.php(349): Mage_Core_Model_App->_initCurrentStore('', 'store')
#20 /home/pctekcom/public_html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#21 /home/pctekcom/public_html/index.php(87): Mage::run('', 'store')
#22 {main}";s:3:"url";s:1:"/";s:11:"script_name";s:10:"/index.php";}
There is now a new error popping up after deleting the maintenance.flag files.
Fatal error: require_once(): Failed opening required '/home/pctekcom/public_html/errors/report.php' (include_path='/home/pctekcom/public_html/app/code/local:/home/pctekcom/public_html/app/code/community:/home/pctekcom/public_html/app/code/core:/home/pctekcom/public_html/lib:.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/pctekcom/public_html/app/Mage.php on line 925
There is no file called report.php in the directory /errors/