HandiTax - Error IITR.300057

In the main form of an Individual Tax Return (I Form), the Losses claimed in the current income year should be zero when the sum of all income less all allowable deductions is also less than zero.
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If item L1 Label F and Label Z are higher than zero and total income or loss and deductions are less than zero then the SBR error will generate.
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For further assistance on this error, please contact the ATO.