Can't fix a bank account number

<p>I moved gyms and the gym said momentum had a payment problem. I called twice, once I was told I would get an email to send the new account number to, but it never arrived. The second time they said they had the correct number for my medical aid, but not for gym membership, so they would copy it across. They haven't fixed it, I'm banned from the gym and I guess there's no point phoning a third time.</p>