[TYPO3-dev] Spritemanager: Styles not loaded

[Michael HüŸgelschŠaffer]

> we got a wiered problem with backend styles for some extensions.
> Sometimes the styles for extension datasets or pages containing an
> extension are not loaded so it only shows the fatal-error-icon in
> backend. A look in the files shows, that e.g.
> ".t3-icon-pages-contains-news" is not available in the compressed file.
> That happend for all classes that belong to "pages-contains"-styles and
> also for icons of datasets.
>
> TYPO3 is at version 4.4.4. I just changed the icon inclusion for tt_news
> to t3lib_SpriteManager::addTcaTypeIcon() instead of $ICON_TYPES['news'].
> I don't know if that really helps right now, as the styles are not
> always missing.
>
> Anybody also has the same problem ot got a clue where to search for the
> problem?

Doesn't anyone have an idea what could cause this strange behaviour?