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the Nvram tool was unable to set a preference on Catalina 10.15.4

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prompt the message "You can't change the startupdisk to the selected disk. (the nvram tool was unable to set a preference.)" is displayed starting from Catalina 10.14.4 with OpenCore 0.5.7, but i can specify the startup disk. Can you see why this error is occurring? But didn't happened in CT10.14.3 (it just few about the 1day ago)
maybe it's just because of the New OS buggy? (I just guess up)


MB ASUS X299 TUF MK1 (this motherboard are not occur any errors in OC ever)



Edited by zisqo

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