A debtor,T Vili ,with a credit balance of R90 must be carried over to the creditors ledger,what does this mean .?

This means that T Vili, who previously owed R90 to the company, now has a credit balance of R90. This indicates that the company owes T Vili R90, and this amount should be transferred to the creditors ledger to accurately reflect the company's financial records.

It means that the debtor, T Vili, has a balance of R90 which is more than what they owe. This amount needs to be transferred to the creditors ledger, which is a record of money owed to creditors. In other words, T Vili is now a creditor of the business.