Updated from 4.8 to 5.3 and now getting Null Reference Exception

I get the following error when I run the project

Did you try opening the Addressable window again after upgrading? It may be that the DefaultObject lost its reference to your AddressableAssetSettings.asset and you need to re-initialize.

Delete everything Addressables-related and recreate it directly with 0.5.3. For us this was the only way to properly migrate to 0.5.3 as the upgrade did not work.

Select your AddressablesSettings asset and check in the inspector if it’s missing any reference. I got an issue where it was missing the packed build asset reference.

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