Just cancelled my insurance for nothing

First I upgrated laat year to the price lock deal. After an month I notice I dont have DCC insurance its suddenly gone. I phone a very nice man helped told me they made an mistake when upgrated they never added it again. So after a few days I got an message its activated again. No after three months this mor ing I received an email cancellation of policy. For some reason they cancled my policy again did email them back as soon as possible. Tried to phone but the line dont even rings. Im fed up with poor service I want to know why its been cancle I havent skippes one payment?????