# Package failed - Assertion failed: Mesh && Mesh-\>GetRenderData() **URL:** \ **Category:** Programming & Scripting\ **Tags:** unreal-engine, question\ **Created:** [July 13, 2023, 12:07pm UTC](https://forums.unrealengine.com/t/package-failed-assertion-failed-mesh-mesh-getrenderdata/1228013 "2023-07-13T12:07:15Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![VintsKlea](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@VintsKlea](https://forums.unrealengine.com/u/VintsKlea)\ **Post date:** [September 11, 2023, 6:23pm UTC](https://forums.unrealengine.com/t/package-failed-assertion-failed-mesh-mesh-getrenderdata/1228013/3 "2023-09-11T18:23:05Z")
> [@\[SOLVED\] Assertion failed: Mesh && Mesh-\>GetRenderData()](https://forums.unrealengine.com/t/assertion-failed-mesh-mesh-getrenderdata/1269505): > > Hello, Before I upgraded my project to UE5 from UE4.27, I was able to package without issue. Now i am getting: “PackagingResults: Error: appError called: Assertion failed: Mesh && Mesh-\>GetRenderData() [File:D:\build++UE5\Sync\Engine\Source\Runtime\Engine\Private\StaticMesh.cpp] [Line: 4828] PackagingResults: Error: begin: stack for UAT PackagingResults: Error: === Critical error: === PackagingResults: Error: Assertion failed: Mesh && Mesh-\>GetRenderData() [File:D:\build++UE5\Sync\Engine\Sou… I found this post, do you have nanite enabled for your landscape?` [https://stackoverflow.com/questions/72407402/unreal-engine-5-assertion-failed](https://stackoverflow.com/questions/72407402/unreal-engine-5-assertion-failed) Also this post, that tells you about bad drivers on your GPU, have you got the latest available drivers for your GPU? Also try to make the changes highlighted on the last post. --- _[View the full topic](https://forums.unrealengine.com/t/package-failed-assertion-failed-mesh-mesh-getrenderdata/1228013)._