I am playing Halo 4 going for the monthly challenge for December and I was SR 119. I got my specialization and got my regular 3000 xp and it awarded me the challenge. But I didn’t get the 20000 xp I was supposed to get. What should I do
GT: GuardianOfExile
If you gain enough XP to reach a specialization, you will not be able to get any more until after you choose a specialization. Any excess xp gained during this process is not awarded.
Basically this is by design, you can continue to level without issue. =)