RuntimeError: OrderedDict mutated during iteration

[Smirftsch]

Trying to get the links out of my old Forum I am getting

Traceback (most recent call last):
File "Links_Crawler.py", line 216, in
crawler.start_with(Request(host))
File "/home/smir/.local/lib/python3.7/site-packages/nyawc/Crawler.py", line 98, in start_with
self.__crawler_start()
File "/home/smir/.local/lib/python3.7/site-packages/nyawc/Crawler.py", line 177, in __crawler_start
ServerScripts > https://www.oldunreal.com/wiki/index.php?title=Reducing_your_download_frequency,_keep_downloaded_files_forever
self.__spawn_new_requests()
File "/home/smir/.local/lib/python3.7/site-packages/nyawc/Crawler.py", line 114, in __spawn_new_requests
if self.__spawn_new_request():
File "/home/smir/.local/lib/python3.7/site-packages/nyawc/Crawler.py", line 130, in __spawn_new_request
first_in_line = self.queue.get_first(QueueItem.STATUS_QUEUED)
File "/home/smir/.local/lib/python3.7/site-packages/nyawc/Queue.py", line 164, in get_first
return list(items.items())[0][1]
RuntimeError: OrderedDict mutated during iteration

Any advice?