What is happening:
When doing the quest Rehearsal Roundup, Ground Pound cannot be talked to. If you choose talk, nothing happens.
If Rehearsal Roundup is finished without talking to Ground Pound, he still has the ! over his head, but he can't be talked to. His hooves are also sunk under the ground.
What should be happening:
It should be possible to talk to Ground Pound.
Steps to reproduce the issue:
Start Rehersal Roundup, try talking to Ground Pound.
Game client version: