Thanks Atiarotias translation
 
 
Top right to Bottom Left.
 
“Theres been a disease called Animation Error”  
“Strangest of the strange diseases where ponies neck suddenly goes horribly long
 
TS “Cause is unknown, how can we cure this? hmm”  
Spike Burrrp  
TS “Ive told you to stop with that voice/noise, its disgusting. No feeding for you today”  
TS “Its from Princess Celestia, about the Animation Error sickness! You may eat today Spike, this just saved you”  
Letter “This is about the animation error sickness. Come to the castle ASAP. From Celestia”  
TS “Im here Princess Celestia!”
 
TS “Princess (Celestia)!”