Please double check that you've the amount in the right box on the T4RRIF. Also make sure that your software is updated. https://turbotax.community.intuit.ca/questions/1545190
If you are still unable to resolve this issue, please contact our
phone support as they will be better able to assist you (*Not available for
TurboTax Free users*). https://turbotax.community.intuit.ca/replies/3152013