Fatal error: Class 'Mage_Core_Model_Store_Exception' not found in /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php on line 1322

Call Stack:
    0.0001     631648   1. {main}() /var/www/vhosts/rarefashion.co.uk/public_html/index.php:0
    0.0007     762864   2. Mage::run() /var/www/vhosts/rarefashion.co.uk/public_html/index.php:87
    0.0019    1114664   3. Mage_Core_Model_App->run() /var/www/vhosts/rarefashion.co.uk/public_html/app/Mage.php:640
    0.0402    3823544   4. Mage_Core_Controller_Varien_Front->dispatch() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:349
    0.0528    4482888   5. Mage_Core_Controller_Varien_Router_Standard->match() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php:176
    0.0536    4563408   6. Mage_Core_Controller_Varien_Action->dispatch() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php:250
    0.0536    4564864   7. Mage_Core_Controller_Front_Action->preDispatch() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php:409
    0.0543    4673024   8. Mage_Core_Controller_Varien_Action->preDispatch() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Controller/Front/Action.php:59
    0.0635    5292568   9. Mage::dispatchEvent() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Controller/Varien/Action.php:505
    0.0635    5293944  10. Mage_Core_Model_App->dispatchEvent() /var/www/vhosts/rarefashion.co.uk/public_html/app/Mage.php:416
    0.0768    5691976  11. Mage_Core_Model_App->_callObserverMethod() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:1284
    0.0768    5691976  12. AW_Mobile_Model_Observer->predispatch() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:1303
    0.0778    5693312  13. AW_Mobile_Helper_Data->getTargetPlatform() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/local/AW/Mobile/Model/Observer.php:165
    0.0778    5693312  14. AW_Mobile_Helper_Data->getDisabledOutput() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/local/AW/Mobile/Helper/Data.php:342
    0.0778    5693424  15. Mage::getStoreConfig() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/local/AW/Mobile/Helper/Data.php:372
    0.0778    5693472  16. Mage_Core_Model_App->getStore() /var/www/vhosts/rarefashion.co.uk/public_html/app/Mage.php:322
    0.0805    5749608  17. Mage_Core_Model_App->throwStoreException() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:834
    0.0806    5749952  18. Varien_Autoload->autoload() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:0
    0.0812    5754880  19. mageCoreErrorHandler() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:93
    0.0814    5779216  20. Mage::log() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/local/Mage/Core/functions.php:244
    0.0814    5779424  21. Mage::getStoreConfig() /var/www/vhosts/rarefashion.co.uk/public_html/app/Mage.php:714
    0.0814    5779472  22. Mage_Core_Model_App->getStore() /var/www/vhosts/rarefashion.co.uk/public_html/app/Mage.php:322
    0.0827    5785392  23. Mage_Core_Model_App->throwStoreException() /var/www/vhosts/rarefashion.co.uk/public_html/app/code/core/Mage/Core/Model/App.php:834