Boot fail - ACPI Bios Error

Hi,some weeks ago i got a new laptop and i installed Linux Mint 20.1 via my usb flash drive on it. Everything went and worked well for some days but now i got the following error message while booting and i can't proceed unfortunately. Please help me. My Laptop is a 'HP 43,9 cm (17,3) AMD Ryzen 7, 512 GB, 8 GB Notebook , Radeon RX Vega 10, 17-ca1286ng' Notebook. It was brandnew and had no operating system installed.

[ 0.408913] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.GPP2.BCM5], AE_NOT_FOUND (20190816/dswload2-162)
[ 0.408935] ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20190816/psobject-220)
[ 0.613674] Initramfs unpacking failed: Decoding failed
[ 0.625860] pci 0000:00:00.2: AMD-Vi: Unable to read/write to IOMMU perf counter.