Garmin Training peaks

Hey team, 

I have connected Training Peaks to Garmin, and have 2x training plans on Training Peaks. However, only 1 training plan has synced over to Garmin, the other doesn't. 

I've disconnected, and reconnected. As well as removed both training plans, synced the one that works, removed and added the one that doesn't and still nothing. 

Any ideas?