second time being debited incorrectly, messing wit

Last month i phoned multiply as they debited me incorrectly and i was reassured that i will be refunded and debited correctly end of February if i go to the gym 13 or more times and have a fitness assessment done at the gym. I checked my virgin active account on the 29th and it stated my partner and i have been to the gym 13 times and did a fitness assesment. Now this morning i was debited incorrectly again by you guys! You are messing with my very good credit rep as yet again i trusted you and left only the discussed debit order money in my account. I want my money back today Or i will take further steps!