[TYPO3] Error in tree.js?

[Tapio Markula]

Benjamin Mack kirjoitti:
> Hey,
> 
> my guess is that is has something to do with the skin or... skin_grey_2.

skin_grey_2 doesn't chage JavaScript behaviors, if tm_shared_lib has not 
been installed

> The more interesting is also that skin_grey_2 relies on "tm_shared_lib", 
> which is not installed on your machine.

that is not necessary to install - that just adds some extra features.