Wrong theme being activated

Fixing the base

I’m pretty sure that you’ve actually checked the base yourself and I don’t have to ask …

»Have you tried turning it off and on again?«

Anyway, you need to run through the following chart again, just to be sure:

If this doesn’t work, leave all plugins activated, try to switch back to »TwentyTen/Eleven/Twelve«.

Poor magic config tricks

The web is full of bad recommendations. If this still doesn’t work, please check your wp-config.php file for the following line:

define( 'WP_DEFAULT_THEME', 'some_stupid_idea' );

If you find it: Uncomment it, delete it, shoot it … whatever, just get rid of it. It’s not necessary and kills your fallback/default theme. It’s called de-fault for a reason: It’s not a fault.

The Theme

As I can see from your debug output, you’re using the »Vermillion« Theme ^{SVN Source}. From the top of the repo page you can read the following:

This theme hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

This now tells you where all those Notices are coming from. Actually they are triggered, because the called functions/Template Tags have been moved to the deprecated.php file.

Notice: some_template_tag() is deprecated since version version_#!

Sometimes they are followed by some note that tells you what exactly is the replacement:

Use some_other_template_tag() instead.

Sometimes you got a line number that indicates, where you need to replace the template tag – but sometimes not (cross file in for e.g. Notepad++ for the rescue).

The recommendation

Find a theme that »works for me« and is under current development. Do the same with your plugins. If something doesn’t work: Drop it off your system. No one will miss it.