[TYPO3] TYPO3 Element Browser: Strange Behaviour in 4.0.1 on file upload

[Tyler Kraft]

happens to me also

Christoph Roth wrote:
> Hi folks,
> 
> after upgrading from TYPO3 4.0 to 4.0.1 I encounter a strange behaviour 
> using the element browser. If I try to upload an image file into a 
> folder, after clicking "Upload" the element browser shows me an error 
> message: "Error 2, No file was uploaded". This is always reported twice. 
>  Then I have to click on "continue". In spite of these messages, the 
> file has been uploaded correctly. I find it in the thumbnail list and 
> can select it as if nothing had happened.
> 
> So this seems not to be severe but it is quite urgent, because most of 
> our backend users get confused on the error messages.
> 
> Could this be a bug? System is running PHP4.4.2, MySQL 4.0.20
> 
> All the best,
> 
> Christoph