Modules not woriking after upgrading to 1.6 pls advice

[haleem80]

Dear Presta experts,

 

i am facing problem after upgrading to 1.6 the error message as follows

 

[PrestaShop] Fatal error in module smarty_internal_cacheresource_file:
Uncaught exception 'UnexpectedValueException' with message 'RecursiveDirectoryIterator::__construct(/home/www/mydomail.com/cache/smarty/cache/blocktopmenu/0/product/1/1/1/0/0/0/0/449) [recursivedirectoryiterator.--construct]: failed to open dir: Permission denied' in /home/www/mydomail.com/tools/smarty/sysplugins/smarty_internal_cacheresource_file.php:196 Stack trace: #0 [internal function]: RecursiveDirectoryIterator->__construct('/home/www/mydomail...', 0) #1 /home/www/mydomail.com/tools/smarty/sysplugins/smarty_internal_cacheresource_file.php(196): RecursiveDirectoryIterator->getChildren() #2 /home/www/mydomail.com/tools/smarty/Smarty.class.php(837): Smarty_Internal_CacheResource_File->clear(Object(Smarty), '/home/www/offic...', NULL, NULL, NULL) #3 /home/www/mydomail.com/classes/Tools.php(2596): Smarty->clearCache('/home/www/mydomail...', NULL, NULL) #4 /home/www/mydomail.com/modules/blockadvertising/upgrade/install-0.9.php

[mickeyboy1]

Have you tried clearing all your cache and regenerating .htaccess