Vodacom fiber

My name is Christa Bosch, i am a 69 year old widow. My husband passed away in Jan 2023. We were married out of community. Vodacom has held me responsible for outstanding “debt”from my husbands account in the form of R9000. Since my husband’s passing i have requested transfer of ownership for my own handset and it was confirmed. Proof thereof was submitted via monthly instalments. June 2024 i was contacted by vodacom, and was told that another R5000 was outstanding with absolutely no explanation what so ever with no assistance. The last debit order was taken on the 31st of May 2024. Please assist me with resolving this issue as vodacom has completed disconnected me until the said balance has been paid.