there is error on opening project
WARNING:odoo.modules.loading:invalid custom view(s) for model project.task: Error while validating view:#012#012Field kanban_state used in attrs.invisible ({"invisible": [["kanban_state","!=","done"]]}) must be present in view but is missing.#012#012View name: Odoo Studio: project.task.kanban customization#012Error context:#012 view: ir.ui.view(5368,)#012 xmlid: studio_customization.odoo_studio_project__34fb53bf-4a88-4fa8-bdde-b5f80c352fc2#012 view.model: project.task#012 view.parent: ir.ui.view(4311,)
on the view mentioned:
<field name="x_studio_task_duration" display="full" attrs="{"invisible": ["|",["kanban_state","=","done"],["progress","=",100]]}"/>
<field name="x_studio_date_done" display="full" attrs="{"invisible": [["kanban_state","!=","done"]]}"/>
and also show error load icon
on the attachment