Hello everyone! New here, so I hope this is the right place to post this, and it isn't something entirely obvious that has been handled here several times by now. So, I installed the latest boostrap version of osCommerce and now the theme switcher addon. I did everything according to instructions and everything seems ok, but every time I click on "save" when changing the theme on my admin panel, it tells me "template_top.php has not been modified!". First it says it has been modified (when I go to modules -> header tags and click on the Theme Switcher), and when clicking save, it gives me that error. What's wrong? Also, when entering my store, the index page shows this: Warning: require(DIR_WS_INCLUDESheader.php): failed to open stream: No such file or directory in /storage/ssd5/880/1562880/public_html/shop/includes/template_top.php on line 60 Fatal error: require(): Failed opening required 'DIR_WS_INCLUDESheader.php' (include_path='.:/usr/share/pear:/usr/share/php') in /storage/ssd5/880/1562880/public_html/shop/includes/template_top.php on line 60 I have not done any other changes to such files except for that - the exact change I was instructed to make. What should I do?