Most of the applications come during the first 24 hours after the task is approved. If in your case, 24 hours have already passed and task still has no applications, our managers are sending manual invitations for the creators from your target audience to apply.
There is a high possibility that expanding your target audience would help us get more applications. Please let our CS team know if you'd be up to expand your target audience, so your task can be visible to more creators and, as well, our managers can send more manual invitations to the other target groups.
Might be helpful: