Cannot import any 3d FBX or OBJ files without crash on launch

[anonymous_user_c4e827dc1 (anonymous_user_c4e827dc)]

I cannot import any meshes, not even a simple block without getting a crash on laucnh. Im using engine 4.9.1 and this is certainly a bug because i have tried every possible sollution suggested.

whenever I import a mesh from maya i get the error: Fatal error:
Attempt to build nav collision data for /Game/Firstpersonshooter/simplebox.simple_box:NavCollision_0 wjen we are unable to. This platform requires cooked packages

no matter what simple / complex collusion settings i add it doesnt help, i have even removed the collision data and just made a simple circle it makes no difference, i cannot import a mesh.

I made a video here to show the problem:

Please help!!

[anonymous_user_cc69b907]

Hello MadBrain,

From what you described and your video I was able to set up a test project for this.

What I did was launched 4.9.1. From there I chose the FP project. I then imported a Cylinder I made in Maya to the project. I did a build and then launched to my computer. It did take a while to launch but eventually it did. By a while I mean somewhere around 2 - 3 mins.

If you would link me your DxDiag then I will continue to investigate what is causing this issue.

Thank you,

[anonymous_user_cc69b907]

Hello MadBrain,

I haven’t heard from you yet. I was wondering if you had a chance to see the above post?