Unknown Cook Failure / LogPhysics:Error

Development World Creation
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1

Hi!

I am not able to make a game package.
Whatever i do this line shows up in the end of Output debug list:

PackagingResults:Error: Error Unknown Cook Failure

and only this line is displayed :

LogPhysics:Error: PHYSX: (D:\Build++UE4+Release-4.15+PhysX_Compile\Sync\Engine\Source\ThirdParty\PhysX\PhysX_3.4\Source\PhysX\src\NpMaterial.cpp 143) eINVALID_PARAMETER : PxMaterial::setRestitution: Invalid value 3.546328 was clamped to [0,1]!

So I focused on it by googling this problem and what I already did is:

  1. In physic properties I have toggled “Disable CCD”
  2. Cleaned project: deleted all unused assets, maps etc
  3. I looked for the NPMaterial “…src\NpMaterial.cpp 143…” and tried to locate the invalid value, but I can not find such physical material.

Nothing changed, besides it may not be the main reason of crash.
Also I tried but failed to reproduce the problem.

First attachment “Log 1” contain whole Output log.
Second “Log 2” is fulfilled with only yellow/ lines.
( I have no idea is there any better way to provide log)

Log 1: https://ufile.io/43glu
Log 2: https://ufile.io/oam1t

2

I am still fighting with this problem. Does anyone have some ideas?
I can provide you with whole project if necessary.

3

Hello Kamilus,

NpMaterial is the name of a source code file that this error message came from. The issue itself would be in one of your physical materials. Apparently the “Restitution” value is being set higher than 1 in one of your physical materials, which is an invalid value. Can you check your physical materials to ensure that this value isn’t being set to an invalid amount?

4

First of all I am sorry for long absent, I’ve been offline for a little break :slight_smile:

Second of all, thank you! I looked through all physics materials and found imported one which had this “restitution” set to higher value as you mansion.

Have a nice day :slight_smile: