The mentioned jetways weren't there.
Live updated did not put them there.
Download and reinstall GSXL2 did put them there and the error log did change but it looks like some of them still missing:
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Error: exception CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FSDT_SODE_JW_TBC3_41_19_LSGG_OPTLEFT_static'
{'Airport': 'LSGG', 'User Pos': (46.230305044758595, 6.105699003820992, 434.455 m, 4.38285 m, 135.99999747733696)}
Added DEFAULT Jetway for Gate 1
Added DEFAULT Jetway for Gate 2
Added DEFAULT Jetway for Gate 3
Added DEFAULT Jetway for Gate 4
Added DEFAULT Jetway for Gate 5
Added DEFAULT Jetway for Gate 8
Added DEFAULT Jetway for Gate 9
Added CUSTOM Jetway for Gate 10
Added DEFAULT Jetway for Gate 11
Added DEFAULT Jetway for Gate 12
Added DEFAULT Jetway for Gate 14
Added DEFAULT Jetway for Gate 15
Added CUSTOM Jetway for Gate 16