I can’t re-create the issue, when I run it, the character slaps just fine.
All I can suggest is rewording it:
@TEENAGE MARIE walks to spot 0.760 145 286 in 3 AND TEENAGE MARIE is walk_neutral_rear AND TEENAGE MARIE faces right
@pause for 1
@TEENAGE MARIE is slapface_give_angry
OR
@TEENAGE MARIE walks to spot 0.760 145 286 in 3 AND TEENAGE MARIE is walk_neutral_rear AND TEENAGE MARIE faces right THEN pause for 1 THEN TEENAGE MARIE is slapface_give_angry
The code is being rebellious today lmao.