Please help.
Maybe this:
@wackyblackie Thanks.
I see this:
Is anything wrong?
The first warning is telling you that /htdocs/wp-includes/class-wp-theme-json.php does not exist. The “fatal error” is telling you that there was a problem with an include (relative to the warning). Try reinstalling your theme.
/htdocs/wp-includes/class-wp-theme-json.php
It looks like some WordPress core files are missing. This can happen due to a failed automatic upgrade. This is how you can fix it:
