Same here
Also I've opened up an issue here
https://github.com/fastlane/fastlane/issues/16681
jawad-14
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Issue fixed in macOS Big Sur 11 Beta 2 Thanks Apple 😀
After updating macOS Big Sur to Beta 2; uploading to AppStore working well in Xcode Version 12.0 beta (12A6159) unlike Xcode Version 11.3.1 (11C504) which still not working also Fastlane still not working on macOS Big Sur to Beta 2.