Insurance cancelled and still do debit order

I cancelled my insurance Nov 2023 and they deducted +- R5.00 that i was fine with then now end of Des 2023 they deducted the full amoint again. I request an call back. They call back and when i answer they put the phone down. The person i spoke to said he will phone me back in Des to revalute my inaurance because i have moved houses, never phoned back just started to deduced again on my old address