This is because IV-wise, your Tyrogue's Def is slightly higher than Atk. This did not make any difference till now, but it will happen at next level (So unlucky ). It will cause Def to be more than Atk.sabaksumbadakam wrote: ↑Thu Mar 21, 2019 9:23 pmhttps://www.pokemonlegends.com/monster?mid=9398893
To solve the problem, you will have to EV Train your Tyrogue in Atk (until +1 in total stats), and then level up. This is most likely to work.
If it doesn't, keep doing this and checking when it wants to level up.