fracture error in blender 2.77

hi there >>eny one knows eny thing about blender 2.77 like bugs…fix…
when i try this new fracture helpers an error message appeares saying traceback most recent call back

that when i try to fracture a simple cube…its just to press the button Execure fracture nd thats it…but in my case i recieve this error thing…
there is also in the top of the program some detailes about the error from which i understand nothing…

eny one knows eny thing about that??

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