Double debited due to *********** service received

I'm highly frustrated right now at the service i have been receiving from Absa Had a policy since 2019 and due a consultants incompetence the policy was lapsed then I requested them to pay me back for all the years i paid for this policy they tried to cover tracks and advised that the premium owning will be written off and will only pay one months premium and this was confirmed on email now they double charged me is this how you treat your elderly clients ABSA Please pay back me money ASAP