ATM deposit not safe

My friend went to the Nedbank Branch at Cascades (Pietermaritzburg) on the 1 November 2017 at 9am to deposit money. She was in the queue when she was directed by a staff member (Callie Bowes) to use the ATM to deposit her money, when she was actually not fussed waiting in the queue to do same. Callie then helped my friend accordingly to do so. The funds were deposited and receipt generated with all the correct details - account number / account name / amount, etc, expecting the funds to reflect immediately in her account. Deposit time - 9.19am. 2 days later (at current time on 3/11/2017 of 16.07) the funds are still not reflecting in her account. Various calls to Callie - response being matter escalated to ATM department to resolve. Earlier call to then referred Team Leader - Travelin - resulted in further escalations without resolution. So are we assured using the ATM to deposit our funds - clearly 'Nedbank' really 'makes you think' that its not safe to do so as my friend is still out of pocket for R000's deposited and not credited to her account. Nedbank cannot assure when this matter will be resolved - clearly its their internal problem, which has put my friend into a situation where she is out of pocket and cannot pay her bills accordingly. She asked them to credit her account immediately and resolve the matter internally with the ATM, without an affirmative answer. Be weary when banking with Nedbank accordingly.