I'm also having the same issue:
[ 0.312698] ACPI BIOS Error (bug): Failure creating named object [\ADBG], AE_ALREADY_EXISTS (20210730/dswload2-326) [ 0.312705] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog (20210730/psobject-220)
I'm also having the same issue:
[ 0.312698] ACPI BIOS Error (bug): Failure creating named object [\ADBG], AE_ALREADY_EXISTS (20210730/ dswload2- 326) psobject- 220)
[ 0.312705] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog (20210730/