Hello mofmof,
Thanks for reporting in this error! This is may be from a known bug that has been resolved for Card Game Combat Version 1.6.3 which will be coming out sometime December Week 2 of this year. We'll check back in with you to see if that bug has been resolved once the update is out.
We did notice in the last image you posted that "Enter hand: Skill 99" is outside of the <Card Passives> notetag block. Make sure to keep Card Actions and Card Passives inside their Notetag blocks so that the plugin can properly process them.
Thanks,
MythAtelier Team