Can only input data when starting a new return. I tried to open an existing return to continue with the return, but I cannot input the data

Please try reinstalling the software using the download available on our website: https://turbotax.community.intuit.ca/replies/3001486

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