I got mine coins to buy the biome settlers 3 skin pack, but then Minecraft crashed. when I loaded back up the game, it did not give me my minecoins. (I play on the switch

I went to go buy some mine coins on the Nintendo switch release, and when I was going to buy a skin pack, the game crashed and froze my switch. I quickly restarted my switch to unfreeze it, but when I got back on the game, I went from 340 mine coins back to 20. after multiple game restarts, I wasn't able to recover the mine coins I had bought.