Duplicating tasks when trying to move from a section

@Emm_Evergarden - could you open one of the duplicated tasks and look at the activity feed (down where the comments are). You may need to toggle over to “All activity”.

What you’d be looking for there is any indication of how the task got created/updated. When rules run on a task, they show up with an activity feed item and a little lightning bolt that tells you what rule ran. Based on the screenshot of your rule, that shouldn’t be duplicating anything (I don’t actually think there is a rule action to duplicate a task), but perhaps something else weird is happening.

If that is not conclusive, there’s a chance this is a local bug (I can’t replicate it in my environment), in which case you should follow these steps to create a ticket with Asana’s support team: