Bonjour, voici un article qui documente l'erreur T3BAAS11 : https://profile.intuit.ca/support/en-ca/help-article/electronic-filing/error-t3bbas11-trying-netfile...
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.