My req points Dissapeared.

I need help just at 8:05 pm México time i got my 10000 req points just after finishing an assault in arena Match, i went straight to buy a gold req pack, and message " and error ocurred while buying" i just said okey… but 5 séconds later i just lost 10000 req points… I just ask what its mine… please solve my issue halo 5 crew.

Same thing just happened to me. Please help.