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UV Master problems, errors and crashing

I am trying to follow instructions on this video https://www.youtube.com/watch?v=gI7u5mv4oWQ&list=FLMFehv5HtX97TDGRG3sqqwg&index=1

However I have an plethora of problems with UV Master…From errors which I fixed from fixing mesh integrity and now if I am to UV master…It just flat out crashes.

Do I have too many polys? Is there a work around?