Hi

I installed the SEO PACK extension and i am receiving error messages below:
warning: AbanteCart core v.1.2.9 copy(): The first argument to copy() function cannot be a directory in <b>/home/XXXXXXX/public_html/extensions/seo_pack/admin/controller/responses/extension/seo_images.php</b> on line <b>167</b>

fopen(/home/XXXXXXX/public_html/system/cache/html_cache/b354fb009b432da33d25e16527c5a330.php): failed to open stream: No such file or directory in <b>/home/XXXXXX/public_html/core/cache/file.php</b> on line <b>121</b>

Error: Cannot create HTML cache for file html_cache.pages.product.product.default.0.1.USD_0_a23c5f2cf7b208e51f8ce3da04ac119b! Directory to write cache is not writable in /home/XXXXXX/public_html/core/engine/view.php on line 344

 ADispatch: error/not_found construct FAILED. Missing or incorrect controller route path. Possibly, layout block is enabled for disabled or missing extension! Execution stack: - /home/XXXXXX/public_html/core/engine/dispatcher.php(76): genExecTrace('full')
- /home/XXXXXX/public_html/core/engine/controller.php(231): ADispatcher->__construct('error/not_found', Array)
- /home/XXXXXX/public_html/storefront/controller/common/page.php(35): AController->getCacheKeyValues('error/not_found')
- [internal function]: ControllerCommonPage->main('0')
- /home/XXXXXX/public_html/core/engine/dispatcher.php(259): call_user_func_array(Array, Array)
- /home/XXXXXX/public_html/core/engine/page.php(98): ADispatcher->dispatch()
- /home/XXXXXX/public_html/core/engine/router.php(224): APage->build('error/not_found')
- /home/XXXXXX/public_html/core/engine/router.php(75): ARouter->_route()
- /home/XXXXXX/public_html/index.php(93): ARouter->processRoute('account/subscri...') in /home/XXXXXX/public_html/core/engine/dispatcher.php on line 77