Hello, Jeffe Jeremy,
Thank you for choosing XStore as your WooCommerce WordPress theme.
500 Internal server error means that there is some Fatal error in PHP script or on the server side. You can turn on debug mode in WordPress to see the error https://codex.wordpress.org/Debugging_in_WordPress
If it will not show any errors then contact your hosting providers and ask them to give you a server error log to check what is wrong.
Please check padding-top https://prnt.sc/kefBlrgnlke6 in Breadcrumbs settings via Theme options > Breadcrumbs and Theme Options > Header Builder > Header overlap > Custom Breadcrumbs Paddings (Overlap Only).
What issue on the Home page are you referring to?
Thank you for your cooperation and we look forward to hearing from you soon.
Kind Regards,
8theme team