The 'Reference-Library_-_19-02-06' instance failed to start.

Check the log file at '/usr/local/flamenco/instances/Reference-Library_-_19-02-06/log.txt' for more details. Here are the last few lines:

Port 21612: [Errno 98] Address already in use.
Port 21613: [Errno 98] Address already in use.
Port 21614: [Errno 98] Address already in use.
Port 21615: [Errno 98] Address already in use.
Port 21616: [Errno 98] Address already in use.
Port 21617: [Errno 98] Address already in use.
Port 21618: [Errno 98] Address already in use.
Port 21619: [Errno 98] Address already in use.

All ports from 21600 to 21619 are unavailable.  Adjust MINPORT and MAXPORT in:
    /usr/local/flamenco/instances/Reference-Library_-_19-02-06/instance.py
or check whether a firewall is blocking these ports.

Traceback (most recent call last):
  File "./flamenco-Reference-Library_-_19-02-06", line 83, in <module>
    ThreadedAppServer.server = server = AppServer('')
  File "../../webware/WebKit/ThreadedAppServer.py", line 89, in __init__
    addr = self.address()
  File "./flamenco-Reference-Library_-_19-02-06", line 64, in address
    raise RuntimeError('No ports are available.')
RuntimeError: No ports are available.
    2  2025-01-18 10:05:46  /Reference-Library_-_19-02-06/Wedge?group=facet_06_NAL_Farming&q=facet_20_Taxa_Animalia%3A8798
    3  2025-01-18 10:05:46  /Reference-Library_-_19-02-06/Wedge?index=22&q=facet_06_NAL_Farming%3A40
    4  2025-01-18 10:05:46  /Reference-Library_-_19-02-06/Wedge?group=facet_06_NAL_Farming&q=facet_02_NAL_Biology%3A4402
select count(*) from item_facet_02_NAL_Biology as item_facet_02_NAL_Biology_1 where item_facet_02_NAL_Biology_1.id = 4402