Hi @studioalice,

Sorry to hear about the problem you are having.

The 500 error is server related error.

You can resolve 500 Internal Server Error as described on the below pages.

https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/

https://www.elegantthemes.com/blog/tips-tricks/how-to-fix-the-500-internal-server-error-on-your-wordpress-website

https://themeisle.com/blog/wordpress-internal-server-error-fix/

Best regards,
Shufflehound team