i have been paying them for long now its time to help me they don't want people please assist where to go n ow

Good day i have a problem with Auto and general insurance since i join insurance its y first claim to them for warranty department i lodge claim march everyday i was calling them to to follow-up about y claim they needed me a lot of papers send them on Friday the complain about my invoice claim they said its too much amount toady on Monday i phone them, they said the reject my claim because i did not send d my car service on time which is wrong .making a lot of complain