Package Error : Unknown Cook Error

Development Platform & Builds
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1

I Keep failing on packaging my project and couldn’t find a solution online, so I’m posting this issue to get any kind of clue.

  • I Do not use any plugins that are not set to default in ue4 4.18.3

  • I Do not have any custom blue-prints / c++ code [only designed one level and that is it]

  • This is a issue I first encountered ever

  • I imported and used some assets from the marketplace(few of them has over lapping UV warnings, but not errors)

  • Same issue from the very first packaging of this project

  • The package log gave out : “Unknown Cook Error”

  • There are no Build errors, some warnings due to the uv issue mentioned above at list 4

  • Already did reboot, delete saved, intermediate folders and make it auto-reconfigure

  • Not any solutions found in the same category helped

  • PLEASE HELP ME, any clue? hint? solution not mentioned early?

  • Is there a way to migrate a whole level(including every assets and lights and stuff) to a new project?

I will link my log file below(some unnecessary(repeating) parts are deleted due to file size restriction)

Please let me know if there is any information critical to this issue not included in the size-reduced log file I’ve uploaded.

link text

2

Temporary Solution 1 “Worked” : delete all meshes that cause uv warnings + migrate the whole level to another project and Package.

3

After adding some meshes & lights, I’ve encountered the same problem, Unknown Cook Failure. According to the loge file, it seems that there is some sort of memory issue [Ran out of memory]. I’m assuming that my level is not that heavy in terms of size to cause such issue.

Hard to understand and figure out this issue.

4
  • I have 16gb ram
  • My entire project is 13gb
5

According to the log file, it seems that the engine loads derived data cache on ram. I should check where my data cache directory is and try to re-organize the configurations, settings and etc…

6

The storage where my derived data cache is saved was not connected to the computer. Hope this was what I missed all the time…