In general a 500 Server Error can be solved (or at least be correctly identified) by looking at php logs. If you are on a shared hosting you should have something in your hosting’s control panel to check the logs (look for Error messages), if you are self-hosting on your own vps you can usually … Read more
Error 500 is very generic and can be caused by numerous underlying issues. Your first step should be locating error log for your hosting account or asking support to help with that. My weak guess would be that your file gets created with file permissions that are not secure enough to hosting configuration.
Sorted it out myself. The problem was, server was very slow to process the import. The process was happening behind the scene but server actually went down. When server was up, I could see all the content on the other site.
How to Fix “Are You Sure You Want to Do This”, while uploading my theme?
Custom form in theme template displaying internal server error upon submission
1) Don’t alter or edit core WordPress files or folders. 2) There is no function in WordPress core that dynamically generates a robots.txt file. The theme you are using is trying to create the robots.txt file with that function in functions.php and must be creating it with the wrong character encoding, and that is causing … Read more
htaccess was my first thought. Since you’ve checked that, I’d move on to the apache error log. If you can’t access this yourself your host should be able to help you.
It appears that you don’t have the mod_rewrite module enabled in apache. This explains why you can access the dashboard found at wp-admin/index.php, but not the main index.php. Your .htaccess is depending on the rewrite module to do its work, which isn’t active. To enable it in your http.conf file you need to find the … Read more
Check the logs of your Heroku application to see more details. You can stream the log using the Heroku CLI after logging in: Alternatively, you can view the logs on the app dashboard.