Xplane does not open Saab 1.6.1

[Robster]

 

Hello ,
I went back to version 1.6.1, it is still the same problem with some airports the blue bar of the xplane loading stops at 3/4 and does not move anymore. xplane has crashed.
But on the other hand with the old version of the aircraft 1.5 everything is going well and in this same airport

[Cameron]

 

[Robster]

Ok,

Thanks.