Bug UnityAds Unsupported class file major version 61

Archived Forums Questions & Answers
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I’m trying to complete the Ironsource mediation documentation tutorial, but i can’t complete the External Dependency Manager → Resolve step, after i add the UnityAds Adapter trough the Level Play Integration Manager, i get an error during the resolve that says: “Unsupported class file major version 61”.

Without the UnityAds Adapter it works fine, i can Resolve the External Dependencies, build, play and run the LevelPlay demo scene.

I’m using all the default Unity Hub versions of the JDK and SDK.
Unity version 2022.3.11f1

same thing with 2020.3.39f1 for me this happens only when I added facebook plugin to my project

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I've got an answer on the forum, have not tested yet, but i'll leave the link to the thread here https://forum.unity.com/threads/unityads-unsupported-class-file-major-version-61.1520878/#post-9498736

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Same problem here. Weird fact is that until Febraury 1 I was enable to run 'Force resolve' and everything was fine in the project. Now if I run 'Force resolve' it gives me that error. And this is preventing me from updating anything in the project which requires a dependencies resolution step.

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