Bad problem to my ever first character

My first character is not working good but I cant tell whats going on with it because its not letting me in and thats bad because my other character is just fine idk if Ill be good at leveling up my dragon and flying + I love flying and my the character that was working has ONLY A BABY!I cant login to my character thats having problems well plz fix this up PLZ!oh and one more thing UP GRADE

RazeredEdge about School of Dragons, v1.19.0