Older version of Minecraft doesn't boot

Thank you for your report!
However, this issue is Invalid.

Your Minecraft version is outdated. We currently take issues for version 1.16.4 and the latest snapshot.
Please update to the latest version as it includes the newest fixes. If you still have this problem after updating, then please create a new issue.
In case of a game crash, please also attach the crashlog.

Please note that it is strongly recommended to use separate game directories for different versions in order to avoid incompatibilities between the different versions.

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