Packaging crash because of spline components

NamInUz · July 10, 2018, 1:38pm

Hi,

When I try to package my project, or when I cook my project for windows I’ve got this error multiple times:

PackagingResults: Error: end: stack for UAT
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Handled ensure: ===
PackagingResults: Error: Ensure condition failed: Position.Points[Index - 1].InVal < Position.Points[Index].InVal [File:D:\Build\++UE4+Release-4.19+Compile\Sync\Engine\Source\Runtime\Engine\Private\Components\SplineComponent.cpp] [Line: 145]
PackagingResults: Error: Stack:
PackagingResults: Error: [Callstack] 0x0000000097E3B706 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x0000000097B9AE3A UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x0000000097BAECD6 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000787BF9B8 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000787BFDC2 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000787775CF UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000007860AA06 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000781EEFDD UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000007822D21A UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x0000000078AD1E23 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000794B5347 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008EB458BD UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008E9EEEEB UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008E9F022D UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008E9FBC59 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008E8AA580 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000008E8D1CB0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000005C4DEB20 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000005C4D69FA UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000005C4D6C4A UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000005C4E4177 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x000000005C4E4FBF UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000C7A41FE4 KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00000000C7D6CB31 ntdll.dll!UnknownFunction []

From what I understand the problem is here :

Position.Points[Index - 1].InVal < Position.Points[Index].InVal
Whithin SplineComponent.cpp] [Line: 145]

So what exactly is broken in my spline components and how can I fix this ?

Can Somebody help?

Thanks

NamInUz · July 10, 2018, 5:46pm

I’m now understanding that inVal is the position ratio on the spline and the points need to have increasing inVal within the array.

So there is a bug in the Unreal Engine that create wrong spline that break the cooking.
I think that it happen when we add point within the editor and that we have a construction script that interact with it.

Plus when splines are broken I must now figure how to fix it. Does someone have a hint ?

NamInUz · January 7, 2019, 9:02am

I still have the problem on the 4.21…

Does someone have an idea on how to find the wrong splines ?

Thanks

anonymous_user_a4214051 · February 15, 2019, 10:22am

Hi,

Did you ever found a solution ?
Thx.

F3NR1S · May 11, 2019, 10:32pm

Same problem here. I am clearing, creating, adding spline points in the construction script of a blueprint character as a spline component.
Using 4.22.1 here.

LogOutputDevice: Error: [Callstack] 0x00007fffded8a271 ntdll.dll!UnknownFunction []
LogStats:             FDebug::EnsureFailed -  0.011 s
LogOutputDevice: Warning: Script Stack (0 frames):
LogStats: FPlatformStackWalk::StackWalkAndDump -  0.001 s
LogOutputDevice: Error: === Handled ensure: ===
LogOutputDevice: Error: Ensure condition failed: Position.Points[Index - 1].InVal < Position.Points[Index].InVal [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Engine\Private\Components\SplineComponent.cpp] [Line: 145]
LogOutputDevice: Error: Stack: 
LogOutputDevice: Error: [Callstack] 0x00007fff75b70fb0 UE4Editor-Engine.dll!UnknownFunction []

Some things I tried:

Just having the spline component triggers the issue.
The issue occurs on compiling blueprint.
Same effect as: [Replicable] Blueprint Spline Causes Crash - Blueprint - Unreal Engine Forums
Creating a spline component same issue as having a spline component in blueprint.
Moving the spline creation operation in tick resolve the errors (or at least not in constructor).

Does it mean we can’t do component spline operation in BP constructor?

F3NR1S · May 11, 2019, 10:32pm

Same problem here. I am clearing, creating, adding spline points in the construction script of a blueprint character as a spline component.
Using 4.22.1 here.

LogOutputDevice: Error: [Callstack] 0x00007fffded8a271 ntdll.dll!UnknownFunction []
LogStats:             FDebug::EnsureFailed -  0.011 s
LogOutputDevice: Warning: Script Stack (0 frames):
LogStats: FPlatformStackWalk::StackWalkAndDump -  0.001 s
LogOutputDevice: Error: === Handled ensure: ===
LogOutputDevice: Error: Ensure condition failed: Position.Points[Index - 1].InVal < Position.Points[Index].InVal [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Engine\Private\Components\SplineComponent.cpp] [Line: 145]
LogOutputDevice: Error: Stack: 
LogOutputDevice: Error: [Callstack] 0x00007fff75b70fb0 UE4Editor-Engine.dll!UnknownFunction []

Some things I tried:

Just having the spline component triggers the issue.
The issue occurs on compiling blueprint.
Same effect as: [Replicable] Blueprint Spline Causes Crash - Blueprint - Unreal Engine Forums
Creating a spline component same issue as having a spline component in blueprint.
Moving the spline creation operation in tick resolve the errors (or at least not in constructor).

Does it mean we can’t do component spline operation in BP constructor?

ShiyonS · November 24, 2021, 10:53pm

I have same Problem Here
have a spline
OnConstruction() added a point
while its playing in viewport, if I move a point in editor, I get lots of red errors in OutPut Log window.

maxodia · October 15, 2023, 3:40pm

this error faced me in unreal 5.3 any help i can get please ?

ZsLaboratories · November 27, 2023, 8:31am

Peace everyone,

When facing this issue, I was able to solve it by clearing the points of the spline before adding points to it in constructor, I didn’t find a way to allow point addition in constructor + editor at same time. Hope this helps.

RedyRose · June 21, 2024, 8:26am

Hi everyone,

To solve this issue you should ensure that input keys of spline points are strictly ascending.

whtspdr · October 25, 2024, 7:15am

I had the same error messages, but at editor time in 5.4, not during packaging. Here’s my solution, in case it helps anybody finding this page.

I’ve discovered that when you start with an empty spline, if you use Add Point, it actually adds two points, using the same Input Key (which is what triggers the error). If I immediately remove one point, before adding a second point (with a correctly incremented Input Key), the error is resolved.