apt-get update 에서 changed its 'Suite' value from 'stable-updates' to 'oldstable-updates' 에러

E: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'stable' to 'oldstable'

E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable'

E: Repository 'http://deb.debian.org/debian buster-updates InRelease' changed its 'Suite' value from 'stable-updates' to 'oldstable-updates'

 

해결 :

apt-get --allow-releaseinfo-change update