Make sure that you have the latest version of the software, your T2 should be in module 2023-2026. If you still can not save, i recommend calling the help line.
I recommend to reinstall profile, https://profile.intuit.ca/support/en-ca/help-article/manage-users/uninstall-reinstall-profile/L6JFD69Lx_CA_en_CA?uid=ml5bx1rv ...
