To support your deductions with regard to carrying charges or interest expenses (Line 221) or other deductions (Line 232), also complete any applicable sections under the headings "Film property", "Tax shelters, limited partnerships, and non-active partners" or "Resource property and flow-through shares" for form T691 Alternative Minimum Tax.

This warning you are seeing appears when you have claimed a deduction for carrying charges or interest expenses. If none of the situations mentioned above apply to you, click Ignore and you will not see the warning again.