After confirmation, the error is triggered the same way when case sensitivity is applied, and there are also new additions.
Card1：
<Card Actions>
Select 1 from deck
Move selected to hand
Clear selected
</Card Actions>
Card2：
<Card Actions>
Discard Until 3
</Card Actions>
<Card Passives>
Remove this
Enter hand: Skill 273
</Card Passives>
After plugin exclusion, it was found that the error is related to YEP_BattleEngineCore.