I'm at a loss as to what this is about, but here's what I am seeing at the Patterns tab:
Pathauto Patterns tab with missing CSS
Everything is normal at any of the other tabs. I was having this problem with the .rc2 release and just updated that to the current (10-27) .dev release, with the same result. I am actually having a similar problem with one other module at another specific url, so maybe there's something goofy with my db. CSS is completely missing, of course, along with the Patterns UI, and this happens independent of whatever theme I use. I didn't see any issues that seemed relevant to this, suggesting that it's some problem with my site, not the the Pathauto code. Perhaps I should try an Uninstall and reactivation, which I assume will mean I'd need to reconstruct all my path aliases?

CommentFileSizeAuthor
pathautoPatternsTab.PNG10.81 KBDavid D
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Dave Reid’s picture

Dave Reid
he/him
Primary language English
Location Nebraska USA
CreditAttribution: Dave Reid commented
Status: Active » Postponed (maintainer needs more info)

Something is likely fatal erroring in your server. Check your server's error logs. It may be a memory error (Large token trees for sites with lots of fields in D7 are commonly causing that) or a module that is not implementing hook_pathauto() correctly.

David D’s picture

David D CreditAttribution: David D commented

Thank you for the pointer, Dave (and nice to put a face on your name, thanks to seeing you at PNWDS!).

For what it's worth, I cleaned out some cruft in my db today. Some was presumably unrelated to this, but was related to problems with the other module where I was seeing the same effect, and I also cleaned out a fair number of URL aliases for old deleted dev-mockup users that hadn't been cleaned up by the code. By whatever happy alignment of the planets, I now have my Patterns UI back!

I was seeing a memory error on my .dev version before, but not on the live version.

BTW, what would constitute "lots of fields"?

rafinskipg’s picture

rafinskipg CreditAttribution: rafinskipg commented

Uninstall entity tokens.

rafinskipg’s picture

rafinskipg CreditAttribution: rafinskipg commented

See this http://drupal.org/node/1058912#comment-4098532

The problem is entity token + references module + token + pathauto. When you go to the Patterns page it loads all the tokens, including referenced nodes ones, and this wastes a lot of memory.