I get this error after upgrading from 20.04 to 22.04:
[ 1.232426] ACPI Error: AE_NOT_FOUND, While resolving a named reference packa
ge element - \_PR_.P000 (20210730/dspkginit-428)
/dev/nvme0n1p7: clean, 252743/13959168 files, 4722829/55832576 blocks
Here is a photo of the error message:
After this error the system continues to boot properly.