the log is ;
[21:11:44] [main/ERROR]: Unable to bootstrap registry 'minecraft:entity_type'
[21:11:44] [main/ERROR]: Unable to bootstrap registry 'minecraft:feature'
and thats it
downloaded server.jar from [link title|https://mcversions.net/]
it was working in 20w19a but giving error in 20w20a
Thank you for your report!
We're actually already tracking this issue in MC-183769, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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