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Deleting Library folder and opening results in an infinite import loop

2021-05-13 15:22:46


I'm having a problem where I'm upgrading a project from 2019 to 2020. I delete the Library folder and open in 2020, and it gets caught in an asset import infinite loop:

I saw a previous discussion that was dealing with a similar issue when the Photon directory was moved from the default location, but the fix for that issue that has been in place for a while seems to work fine.

The issue seems to be that TypeCatalogue does a Resources load (in EnsureExists) to check to see if the asset exists while the system is doing the huge AssetDatabase refresh, which fails and causes a code path where that asset is needlessly created again, which the AssetDatabase sees and thus triggers a reimport - which in turn causes EnsureExists to get called again, etc - going on forever.

It seems like this would be happening to anyone if they delete their Library folder and reimport. Am I missing something?



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