Hi guys
I’m using zbrush 4R6, When I open up my project, the model appears to be fine, until I jump to highest sub-D level and click the REC of sculpted layer to begin sculpt. Then all the sculpted details are gone and spikes of details are shown…
Why is that? Solution plz. 
> 1. When I open up my project, the model appears fine.
> 2. After clicking the REC button of sculpted layer,
Thanks!
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