Summary
If the Fab plugin is not working inside Unreal Engine, you can try the following steps to troubleshoot the issue
What type of bug are you experiencing?
Plugins
Steps to Reproduce
If the Fab plugin is not working inside Unreal Engine, you can try the following steps to troubleshoot the issue
Expected Result
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Observed Result
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Platform
Issue Description
I am unable to open the Fab plugin inside Unreal Engine.
Environment:
Unreal Engine Versions: 5.4.4 and 5.5.1.
The Fab website works without issues via a browser.
Troubleshooting Steps Taken:
Reinstalled the Fab plugin.
Reinstalled Epic Games Launcher.
Deleted the Saved folder and other temporary files.
Reset network DNS and reconfigured the firewall.
Verified Unreal Engine installation via Epic Games Launcher.
Despite these efforts, the issue persists.
Output Log Details:
vbnet
복사
편집
LogFab: Error: User auth token is invalid - unable to get auth token
LogSlate: Window ‘Fab’ being destroyed
LogSlate: Window ‘Fab’ being destroyed
LogWebBrowser: Closing browser during destruction, this may cause a later crash.
LogWebBrowser: Deleting browser for Url=https://www.fab.com/plugins/ue5.
This appears to be related to an invalid user authentication token.
Has anyone encountered and resolved this issue?
I spent the entire day troubleshooting without success, so any help would be greatly appreciated.
Operating System
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Video
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Additional Notes
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