If you have a T4A box 104 you must enter it in. To find this slip; go under the "Income" tab - "Tslip" - "T4A" or use the "Find" icon at the top right corner of the page and type in "T4A"

T4A box 104 - is research grant income. This will translate to line 10400 of your T1, as well as other amounts on that line.