Issue: When creating a manufacturing order and setting a scheduled date when no workcenter is set, a traceback shows up Steps to reproduce : 1) Install Manufacturing 2) Enable work centers 3) Create a manufacturing order, in the work order tab, add a new line and set a Scheduled Start Date, confirm the date -> Traceback opw-2633940 closes odoo/odoo#76117 X-original-commit: ebf54c802664e6c2143785b950667c136944fcbf Signed-off-by: Rémy Voet <ryv-odoo@users.noreply.github.com>