Back Office Login Timing Out (500 Error)

[annnn]

I can load the back office page but can't login with the credentials. The page times out. 

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Request Timeout

This request takes too long to process, it is timed out by the server. If it should not be timed out, please contact administrator of this web site to increase 'Connection Timeout'.

I contacted my hosting company and here are the error logs they sent through:

 

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Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_data.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 91

Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_data.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 91
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 92
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 92
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_template.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 93
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_template.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 93
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_resource.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 94
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_resource.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 94
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_resource_file.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 95
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_resource_file.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 95
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_cacheresource.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 96
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_cacheresource.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 96
Warning: include_once(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_cacheresource_file.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 97
Warning: include_once(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_cacheresource_file.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 97
Warning: include(/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php): failed to open stream: No such file or directory in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 1680
Warning: include(): Failed opening '/home/infloori/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 1680
Fatal error: Class 'Smarty_Internal_TemplateBase' not found in /home/infloori/public_html/tools/smarty/Smarty.class.php on line 105
Warning: require_once(/home/infloori/public_html/tools/smarty/Smarty.class.php): failed to open stream: No such file or directory in /home/infloori/public_html/config/smarty.config.inc.php on line 29
Fatal error: require_once(): Failed opening required '/home/infloori/public_html/tools/smarty/Smarty.class.php' (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/infloori/public_html/config/smarty.config.inc.php on line 29

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Anyone knows how to resolve this issue? It is really frustrating. 

[annnn]

Anyone??