A similar error occurs on FSX (boxed edition) when passengers are about to board.
It applies to every airport, even the default ones.
couatl v3.2 (build 3823)
panic log started on Wed May 31 22:04:36 2017
problem raised by addon <unknown>
Traceback (most recent call last):
File "couatl\common\fsm.py", line 73, in executeDoFuncToCompletion
File "couatl\GSX\assistanceServices\passengerBus.py", line 69, in do
File "couatl\GSX\assistanceServices\jetwayOperations.py", line 164, in allDockedJetways
File "couatl\GSX\assistanceServices\jetwayOperations.py", line 159, in allJetways
AttributeError: 'Couatl.Parking' object has no attribute '_SODEInternalJetways'
{'Airport': 'FSIA', 'Requested assistance services at': 'Gate 1', 'User Pos': (-4.669858333328979, 55.51098333329937, 5.93475 m, 2.88675 m, 214.79190513602936)}