This question has an open bounty and can't be closed - duplicate?
32383
How can we close questions with bounties?
154856
Wording of "possible/exact duplicates" when closing the question
32895
How can I avoid asking duplicate questions?
133813
Are duplicate chains OK, or just close directly against one canonical?
112391
How should one respond to "duplicate answer" flags?
10293
How should duplicate questions be handled?
3426
What is a "closed" or "duplicate" question?
29817
Closed as a duplicate, but the duplicate list is empty?
11295
What is duplicate content and how can I avoid being penalized for it on my site?
20597
How do you reopen a closed question?
146225
Duplicate questions on other SE sites?
70596
Specifically prevent unawarded bounty from going to unsatisfactory answers
67458
Already awarded bounty refunded on question migration?
77256
Bounties and non-valid answers?
42614
How can I lose a bounty?
104491
Single question thread with multiple questions, some duplicates
146576
Askers should be able to close their own question as a duplicate