This time all I had to do was set a bunch of jetways on Concourse C at KORD (Drzewiecki) to the gray color and GSX is having none of it.
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 '_cool_grey'
{'Airport': 'KORD', 'User Pos': (41.97831518951324, -87.9113016463969, 207.455 m, 3.84946 m, 99.40000129037342)}
Added GSX2 Jetway for Gate M 6