Search Issue Tracker
Fixed in 2020.3.39f1
Fixed in 2020.3.X, 2021.3.X, 2022.1.X, 2022.2.X, 2023.1.X
Votes
0
Found in
2020.3.37f1
2021.3.5f1
2022.1.2f1
2022.2.0a4
2023.1.0a1
Issue ID
UUM-493
Regression
Yes
"Unable to read header from archive file: memarchive0" error thrown in the Console window when entering the Play Mode
Reproduction steps:
1. Open the attached Unity project
2. Go to the Scenes folder and open "02_Menu.unity" Scene
3. Enter the Play mode
4. Observe the errors in the Console window
Expected result: No errors are thrown in the Console window when entering the Play mode
Actual result: Multiple errors are thrown in the Console window when entering the Play mode: "Unable to read header from archive file: memarchive0", "Mounting archive file system for lighting data asset failed!"
Reproducible with: 2022.1.2f1, 2022.2.0a4
Not reproducible with: 2019.4.39f1, 2020.3.35f1, 2021.3.3f1, 2022.1.1f1, 2022.2.0a5, 2022.2.0a15
Reproducible on: macOS 12.3.1 (Apple M1 Max) Editor, Windows 10 (Intel(R) Core(TM) i9-10980XE CPU 3.00GHz) Editor
Notes:
- Errors are also thrown when building the project for Mac Standalone, but the build is successful
Comments (7)
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- "Shader warning in 'Hidden/Light2D': implicit truncation of vector type" is thrown when building Universal 2D template
- AI Assistant breaks compilation of packages using System.Runtime.CompilerServices.Unsafe via auto-referencing
- Unity Hub checks the "Documentation" module by default on the 6.4 and 6.5 streams despite that it was unchecked with the previous installs
- Shortcut that toggles between Dopesheet and Curves Views in the Animation Window's Timeline is mislabed
- Property List Items Overlap onto the Property List's top edge when scrolling through a long Property List
sonnyb
Feb 21, 2025 01:11
Clean GI Cache worked for me too. Thank you TWENTYEDGES!
(I was getting this error on an older project on Unity 2020.1.8 on Windows.)
PrairieDogSeeksHeart
Dec 16, 2023 06:21
TWENTYEDGES solution worked for me as well! Thank you!
rmiha
Sep 20, 2023 09:41
Thanks TWENTYEDGES, solution worked for me too!
brunogattai1996
Jul 25, 2023 14:59
Cleaning the GI Cache worked for me, thank you for sharing.
Mateofloyd
Mar 20, 2023 20:49
Even tho that I tried cleaning the cache I still have the same problem
MattuWalk
Mar 06, 2023 11:16
TWENTYEDGES solution worked for me! Thanks
TwentyEdges
Feb 27, 2023 11:29
Hi,
i had the same issue after updating OSX to Ventura.
For me a simple Unity cache clean worked. Go to Preferences -> GI Cache -> Clean Cache.