HTTP ERROR 500

[transva2]

Hello dear,
Can any of you help me?
I logged into WP, do some crucial editing but it says my website

'is currently unable to handle this request. HTTP ERROR 500'

It has been going on for 9 hours, can you please help?
Thank you.

 

[bdistler]

can you please help?

see --> [ https://x10hosting.com/support/account/my-website-is-showing-a-blank-page ]

and --> [ https://x10hosting.com/support/general/error-messages-explained ]

and --> [ https://x10hosting.com/community/th...d-options-supported-in-htaccess-files.197677/ ]