Error: Last Period Processed Date appears as 30/12/1899

When you run the Leave Summary and Liability report or the Long Service Provision report after changing tax year but before processing the first pay in the new financial year, the Last Processed date will show as 30/12/1899.
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The 1899 date represents a ‘null’ date in SQL.
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After completing your first pay period in the new financial year, the Period End Date will appear in the Last Processed date on the Leave Summary and Liability report and the Long Service Leave Provision report.