T4E line 30 is getting categorized as Carrying charges, support and other, even though it is not an investment expense.

I am trying to find my CERB repayment amount which indicates I should file on line 23210, which from what I can tell is line 30 of the T4E. This is getting categorized as carrying charges on my summary. Is line 30 not the correct line? How do I get this not categorized as carrying charges?