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3.0-SNAPSHOT: class file has wrong version 60.0, should be 55.0

3.0-SNAPSHOT: class file has wrong version 60.0, should be 55.0 #1190 Closed crummy opened this issue on Jan 9, 2022 · 3 comments Contributor ...
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MultiMC Not Launching New Version 1.17, or Many of the Previous Snapshots

Exception in thread "main" java.lang.UnsupportedClassVersionError: net/minecraft/client/main/Main has been compiled by a more recent version of the Java Runtime ...