Why Unreal Engine 4.5.1 crash after open material editor

Development Rendering
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21

Hi,

Got the same issue, and I ve seen that unreal takes a huge amount of data in folder : c:/…/user/AppData/local/UunrealEngine/Common

My system harddrive is full, and oddly my material editor started crash since. So i assume this issue depend on it?

22

hi,

I ve deleted the DerivedDataCache that totally filled my hd, and it solved the issue on material editor crash.