Default Slim-vibrantmtd-4.4.4.build.6.6 install problem?

hi,

My Vibrant t959 is on Slim 4.2.2 built 6 and I want to install the new version Slim-vibrantmtd-4.4.4.build.6.6-WEEKLY-5713.zip

but I have a installation error in CWM for this upgrade....


screen of the CWM installation error here:

dropbox.com/s/dixyt4uppnvrhfi/2014-08-02%2008.12.48.jpg

you have an idea of my installation problem?

thank you for your help!