What is meant by 'Not all the entries in the debtors control account are correct ' in the debtor's reconciliation ?

This statement means that there are errors or discrepancies in the entries recorded in the debtors control account. This could include incorrect amounts, missing entries, duplicate entries, or other mistakes that need to be identified and corrected in order to ensure the accuracy of the account. It is important to reconcile the debtor's control account regularly to ensure that all transactions are accurately recorded and to prevent any potential financial discrepancies.