Poor service on policy delivery

I was called to say Iwyze had a fault on their side with regards to the last few months or so of debit orders not going off...as a result they now want to cancel my policy and rewrite a new one...I am not happy about that as I will now look like a new client and loose all my previous benefits of the policy I had built up....I mean if something had happened to me my beneficiary would not have a claim.....they say the policy is active so why do they want to cancel and rewrite a new one.....I reckon so they don't have to foot the bill for their incompetence....why should I loose a start a fresh