•When was the systems error first discovered by the Department. •What steps were taken by the Department when it first became aware of the issue. •The no of incorrect noficaon leers were included in the batch erroneously issued in 2019. •The nature of the DSP systems technical issue that resulted in this error. •The number of claimants informed of this error wnd when they were nofied. •A copy of the commencement of earnings noficaon that would have issued in or around November/December 2020.