There is an amount in my Other Income field that I did not enter, and does not seem to be entered by Auto-Fill. How do I check to see what that is and then delete it?

Line 130 - Other income is used to report taxable income that has not been or should not be reported anywhere else on the return. There are a lot of things that might fall into “Other Income”. The CRA website has a list: https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-return/completing-a-tax-return/personal-income/line-130-other-income.html