Steps: - Install studio, website_form - Go to Settings > Users & Companies > Users - Click the Studio icon - On the top bar, click Website - Click New Form - In edition mode, click the first label - Select Customize > Add an Existing Field Bug: Traceback here: https://github.com/odoo/odoo/blob/3ff00944fe6a439bd5d7bddb846206d3d6cac3a0/addons/website_form/models/models.py#L73 KeyError: 'readonly' Explanation: Dynamic selection fields don't declare a 'readonly' attribute: https://github.com/odoo/odoo/blob/3ff00944fe6a439bd5d7bddb846206d3d6cac3a0/odoo/addons/base/models/res_users.py#L1275-L1282 opw:2449356 closes odoo/odoo#65894 X-original-commit: 5a74dc2ca8aadb7d91d9cf7c047065fee3263ece Signed-off-by: backspac <backspac@users.noreply.github.com>