Old Mutual Retirement Annuity

On the 27/08/21 An email was sent to Old Mutual to amend my banking details,to customer care and the Financial Advisor I was concerned because Old Mutual did not acknowledge my email, however I thought and trust it will be done, this month I did not receive my my monthly payment of my retirement annuity,it can only mean my banking details weren't changed,and the monthly payment went to the old account, Old Mutual couldn't be bothered as it's money going out to the person paying over the years for her retirement,had it been money going to Old Mutual they were gonna jump high and low,it must come to me they just could care.....such a shame as it's part of my monthly income.