Format data, reboot recovery and get into fastboot. Flash boot, vendor boot and then ADB sideload in recovery. Type ADB sideload (name of ROM). I would do another format data and rebootPS C:\Users\Lenovo\Downloads\platform-tools-windows> .\fastboot update .\PixelExperience_Plus_raven-12.1-20220723-0501-UNOFFICIAL.zip
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Bootloader Version...: slider-1.2-8318357
Baseband Version.....: g5123b-100840-220505-B-8544885
Serial Number........: 25231FDEE000VW
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archive does not contain 'android-info.txt'
fastboot: error: could not read android-info.txt