I forced closed a channel awhile ago, but now it has been stuck in "waiting_close_channels" forever. It is not shown in "pending_force_closing_channels".
What was "a while ago" hours days week?
Could be what Pmalek said and you have too low a fee. Do you know what the fee was?
Why did you force close instead of regular close?
How much was in the channel?
You will might get a better response posting the question issue in the LND github.
-Dave