Occasionally the prefab icons are displayed wrong.
It either displays another icons preview, lets say “Side_Panel_4” displays “Side_Panel_1” icon. Or like the example bellow it goes completely white.
If I change the name of the prefab or make a change inside it, then the prefab icon sometimes gets fixed.
But I am no longer able to use that same name or the exact same configuration for a prefab once it bugs out like this.
If I use the same name then the icon will always be that white panel.
It would be nice if I can clear unity cache so that the name of the bugged prefab is forgotten, but I am unable to find where or how to do that.
What I tried without any success:
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Edit => Preferences => GI Cache => Clean cache
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In ForwardRenderer set masks to “Everything”
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Select prefab => Reimport
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Restarted Unity
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Refresh Project window
Using Unity Unity 2021.1.4f1 (64-bit)