ERROR: CMN.ATO.IITR.000266 - Primary Production business income required. 

Net primary production income/loss amount is present without total business income from primary production (Gross payments, Asessable government industry payments, Other business income)

SOLUTION: Put "0" (zero) in the "Primary Production" column (if there is an amount added in line item "Deferred non-commercial losses from a prior year" (Label P8) and "Business Loss Activity Details" (Label P9) worksheet was added).

Image showing an input in line item "Deferred non-commercial losses from a prior year" under Label P8:

Sample image of "Business Loss Activity Details" (P9):