For whatever reason, I'm seeing a lot of incorrect target numbers on my D20 rolls. Right now I'm once again in the Druid Grove, trying to persuade Kahga to release the tiefling girl. When I check the mouseover information on the target number, the modifiers are correct but the resulting final DC is displayed incorrectly. This leads to rolls where I don't reach the displayed DC but still succeed, or I surpass the DC and still fail.
All my reloads and attempts were made with active Guidance cantrip.
https://imgur.com/UG830BK