I bought your product but I can not install it gives me this error when I try to migrate from ace to sh404 sef I care, because it is not easy as you say, Thanks
Fatal error: Uncaught exception 'Exception' with message 'AceDatabase::showError failed. (You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'aria&task=tag&view=itemlist'' at line 1 SQL=SELECT url_sef FROM jos_acesef_urls WHERE url_real = 'index.php?option=com_k2&tag=bolla d\\'aria&task=tag&view=itemlist')' in /web/htdocs/www.faidatecasa.com/home/administrator/c...ary/database.php:155 Stack trace: #0 /web/htdocs/www.faidatecasa.com/home/administrator/components/com_acesef/library/database.php(97): AceDatabase->showError() #1 /web/htdocs/www.faidatecasa.com/home/administrator/components/com_acesef/library/backuprestore.php(354): AceDatabase->loadObject('SELECT url_sef ...') #2 /web/htdocs/www.faidatecasa.com/home/administrator/components/com_acesef/library/backuprestore.php(264): AcesefBackupRestore->_getAcesefLine(Array) #3 /web/htdocs/www.faidatecasa.com/home/administrator/components/com_acesef/models/restoremigrate in /web/htdocs/www.faidatecasa.com/home/administrator/c...library/database.php on line 155

Follow the following step by step

Make your website offline
Purge all URLs from AceSEF after import the sh404SEF URLs
Make your website online and try it