Comment # 33 on bug 1178332 from Michael Andres

(In reply to Anton Smorodskyi from comment #31)
> I see this error again in Leap 15.5
> https://bugzilla.opensuse.org/show_bug.cgi?id=1227202

Sorry, but you don't. This one was due to a symbol libyaml removed from it's
API (_ZN4 YAML 6detail9...). In 1227202 it's libprotobuf which removed symbols
from it'S API without indicating this.

Those are different packages to blame even if the impact on zypper is similar.