1.11.4 Clear Cache and SitemapMadeSimple

[katea]

OK, completed the upgrade and all seems well except for 2 things.
SitemapMadeSimple - Whilst it seems to work, I actually have lost all the content except the tabs. Can't edit a thing.
So I thought I'd clear the cache and for some reason I don't have the clear cache button.
Am I missing something?
Thanks
K

[katea]

OK, found Clear Cache in the new System Maintenance area ...

Still no SitemapMadeSimple content, just the tabs.

Downgraded/downgraded again/upgraded.... Still no joy.

Inspected element: Uncaught TypeError: Cannot read property 'style' of null

[Dr.CSS]

It was updated just a month ago, maybe a bug which you could report on the forge, adding everything you can to help them reproduce it...