crash pls

Traceback (most recent call last):
  File "otp\otpbase\OTPBase.py", line 34, in run
    taskMgr.run()
  File "C:\Panda3D-1.10.0\direct\task\Task.py", line 508, in run
    self.step()
  File "C:\Panda3D-1.10.0\direct\task\Task.py", line 465, in step
    self.mgr.poll()
  File "C:\Panda3D-1.10.0\direct\showbase\EventManager.py", line 52, in eventLoo
pTask
    self.doEvents()
  File "C:\Panda3D-1.10.0\direct\showbase\EventManager.py", line 46, in doEvents

    processFunc(self.eventQueue.dequeueEvent())
  File "C:\Panda3D-1.10.0\direct\showbase\EventManager.py", line 103, in process
Event
    messenger.send(eventName, paramList)
  File "C:\Panda3D-1.10.0\direct\showbase\Messenger.py", line 326, in send
    self.__dispatch(acceptorDict, event, sentArgs, foundWatch)
  File "C:\Panda3D-1.10.0\direct\showbase\Messenger.py", line 411, in __dispatch

    method (*(extraArgs + sentArgs))
  File "toontown\estate\DistributedEstate.py", line 377, in __touchedFlowerSellB
ox
    self.popupFlowerGUI()
  File "toontown\estate\DistributedEstate.py", line 389, in popupFlowerGUI
    self.accept('stoppedAsleep', self.__handleSaleDone)
AttributeError: DistributedEstate instance has no attribute '_DistributedEstate_
_handleSaleDone'