Karnataka Bank — amount got deducted

My name is shreya hegde. I have transferred 40, 000 through the swiping machine on 26/01/2019. I received message that my amount was debited..,, but for the other person the card got declined. Will i get back 40, 000 or will they get it because on that you wre upgrading your system and we were not supposed to do any transaction. Pleass do respond that was not a small amount thought.. I need it back immediately