Failed opening 'SoapClient.php' for inclusion

2015-03-10T17:43:18+00:00 ERR (3): Warning: include(): Failed opening 'SoapClient.php' for inclusion (include_path='/var/www/html/magento1.9.1/app/code/local:/var/www/html/magento1.9.1/app/code/community:/var/www/html/magento1.9.1/app/code/core:/var/www/html/magento1.9.1/lib:.:/usr/share/pear:/usr/share/php')  in /var/www/html/magento1.9.1/lib/Varien/Autoload.php on line 94

Double check if Soap is installed:

# yum list installed | grep php-soap

php-soap.x86_64                       5.4.16-23.el7_0.3                @updates

Install php-soap:

# yum install php-soap

Make sure the components have the same versions:

# yum list installed | grep php

Update PHP:

# yum update php

Make sure SOAP is loaded:

# systemctl restart httpd
# systemctl restart php-fpm
# php -m | grep soap