Fix Cydia Impactor Errors 71, 80, 81 Trying to Jailbreak iPhone 7

I have an iPhone 7 on 10.1.1 using the Yalu Beta 3 JB with Cydia Impactor. I keep getting errors provision.cpp:81

Fix Cydia Impactor Errors 71, 80, 81 Trying to Jailbreak iPhone 7

I’ve tried many things and nothing seems to be working. I keep getting error message cpp:81

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