I just got this on tutorial
https://gyazo.com/42236d7b5d20a54356aa4001df664e07
Ohhhh sorry then, i didn't know
I believe i saw something quite a while back on the kabam rotmg forums some guy had -1,000,220 xp or something like that and all the forum said wqs reset your char is done for. So i think it may just be a possible super rare bug.