Yes you can write to support and ask, no harm trying Whether they will do it is up to them really
I have made the same mistake.I wrote to support and they fixed it.
Loyalty Crystal SHATTER (from AW Season rewards)Is that the only 2 things we can use the Shatter on ? (in the Loyalty Store, but have to scroll all the way to bottom of that Store's items)* Towards LOYALTY CRYSTAL “Shards” (“Shards” in a different sense than normal, because then takes only 15 (?) shards to buy a Whole Loyalty Crystal, and from in same Loyalty Store as opposed to over in Crystals Tab)* Or towards 7* Crystal Shards.Note, takes 15 Shatter to get either one, the full 7* pool crystal, vs the 6-champ pool for Loyalty crystal.Is it ok to spend the “Shatter” soon as we get them each War season ? So there won't be anything further where holding onto a certain higher amount of Shatter will be needed later ?