jjj reported that the issue has been solved in the comments to the original question: …In the mean time I did some trouble shooting with the plugins page and it turns out the ‘sitemap’ plugin may be the culprit. It works fine after I deactivated that plugin. I will definitely debug however. Thank you again
HTTP 500 Error after Creating Shortcode
Turns out it’s an issue with “WooCommerce Multilingual & Multicurrency” plugin which is related to WMPL. WMPL is having big issues right now with their products and probably are fixing them at this moment. For example a lot of developers had problems with “WPML String Translation” plugin which caused critical error for websites.
Can php warnings cause an Internal Server Error?
Jquery post responses 500 error after some time and lastly an 503 error
If you think a plugin is causing the problem, disable all plugins by renaming the wp-content/plugins folder. Then put the plugins (in the subfolders of wp-content/plugins) back into a new wp-content/plugins folder. Do a couple/three at a time to see if you can find a bad plugin. You might also reload WP 4.7.2 via the … Read more
I strongly recommend you to change the PHP version from 5.6 to 7.3 (or 7.4). Also, check your htaccess file because broken .htaccess files might cause that issue. If the issue still persists, then check “error.log” file in order to see what the problem is.
nginx doesn’t use the .htaccess file for configuration. Have you checked the wordpress Codex for specific instructions for setup when using nginx instead of straight apache? http://codex.wordpress.org/Nginx
after change your memory limit , open your web page in some other browser or delete all your history and cache values in your browsr,,,,
I’ve managed to print the error message by adding the following to the functions.php: function exception_handler($exception) { echo “Uncaught exception: ” , $exception->getMessage(), “\n”; } set_exception_handler(‘exception_handler’); For some reason logs did not include the error details before. The error is call to undefined function is_blog_installed() which I have no idea why’s that. 😀