Can't log a support ticket - error appearing

I went to log a support ticket as copy changes aren’t pushing through and my OG images aren’t firing.

Here’s the original request:

1st issue -
I thought the 1st issue was me, but am now noticing despite publishing updates many times.

Screengrab attached. URL is https://www.lukemarshall.net/

Copy on homepage is updated, but not publishing to final version on mobile or web despite hard refreshes.

2nd issue -
Logged on the forum but wanted to double-check here too - details in the post:

Thanks in advance.

It’s also saying that my screenshots are too large (when I click submit) even though the file size is <400kb and dimensions 1200x600 or so.

Unforunately I’m getting an error from that too:

Link to site: https://www.lukemarshall.net/