This new EPIC EVENT BUG

Hey when this new mecha storm II Started i picked that 2nd quest table and i was on 3rd quest “Contribute 60,000 Exprience in winning games” but *tf i had almost 45-50k xp to that quest when i have played in 2-3days but today when i playd match and after match it says 4345/60k??? Like i have never even started thatb quest before???