The 'Glucosinolates-Research_-_19-09-06' instance failed to start.

Check the log file at '/usr/local/flamenco/instances/Glucosinolates-Research_-_19-09-06/log.txt' for more details. Here are the last few lines:

SessionPrefix                   = None
SessionStore                    = Dynamic
SessionTimeout                  = 60
ShowDebugInfoOnErrors           = 1
UnknownFileTypes                = {'Technique': 'serveContent', 'ReuseServlets': 1, 'CacheContent': 1, 'CheckDate': 1}
UseAutomaticPathSessions        = 0
UseCascadingExtensions          = 1
UserErrorMessage                = The site is having technical difficulties with this page. An error has been logged, and the problem will be fixed as soon as possible. Sorry!

Traceback (most recent call last):
  File "./flamenco-Glucosinolates-Research_-_19-09-06", line 83, in <module>
    ThreadedAppServer.server = server = AppServer('')
  File "../../webware/WebKit/ThreadedAppServer.py", line 66, in __init__
    AppServer.__init__(self, path)
  File "../../webware/WebKit/AutoReloadingAppServer.py", line 43, in __init__
    AppServer.__init__(self,path)
  File "../../webware/WebKit/AppServer.py", line 67, in __init__
    self._app = self.createApplication()
  File "../../webware/WebKit/AppServer.py", line 171, in createApplication
    return Application(server=self)
  File "../../webware/WebKit/Application.py", line 127, in __init__
    self._taskManager.start()
  File "/usr/lib64/python2.7/threading.py", line 739, in start
    _start_new_thread(self.__bootstrap, ())
thread.error: can't start new thread