# BundledPSOs crash in 5.8 when trying to load .spc file **URL:** \ **Category:** Issues and Bug Reporting (Unreal Engine)\ **Tags:** unreal-engine, closed\ **Created:** [August 25, 2026, 5:25pm UTC](https://forums.unrealengine.com/t/bundledpsos-crash-in-5-8-when-trying-to-load-spc-file/2746430 "2026-08-25T17:25:42Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![MattDalpe](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@MattDalpe](https://forums.unrealengine.com/u/MattDalpe)\ **Post date:** [August 25, 2026, 5:25pm UTC](https://forums.unrealengine.com/t/bundledpsos-crash-in-5-8-when-trying-to-load-spc-file/2746430/1 "2026-08-25T17:25:42Z")
### Summary Game packaging crashes at the PSO step. It worked fine in 5.7. I tried everything from deleting the Saved and Intermidiate folder and nothing works ### What Type of Bug are you experiencing? Other ### Steps to Reproduce Create a PSOBundle and package the game ### Expected Result It works ### Observed Result It doesn’t work ### Affects Versions 5.8 ### Platform(s) Windows ### Upload an image ![Capture d’écran 2026-08-22 161034.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/5/1/c/51c25c4b1b7b1a4b22c9a77c0f192d92e0a8b5da.png) ---
**Author:** ![Bug-Reporter](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/bug-reporter/32/997076_2.png) [@Bug-Reporter](https://forums.unrealengine.com/u/Bug-Reporter)\ **Post date:** [October 23, 2026, 3:01pm UTC](https://forums.unrealengine.com/t/bundledpsos-crash-in-5-8-when-trying-to-load-spc-file/2746430/3 "2026-10-23T15:01:18Z")
UE-405764 has been ‘Closed’ as a duplicate of an existing known issue. Origin Issue: UE-386797, Origin Topic: [Bundled PSO Spc cache fails to load during cook and prevents packaging with it](https://forums.unrealengine.com/t/bundled-pso-spc-cache-fails-to-load-during-cook-and-prevents-packaging-with-it/2741454)