Describe the bug
When I was killed on the server,Sometimes you can't be rebor

To Reproduce

1. I was killed and Try to be reborn
2. But most of the time, pressing the regenerate button doesn't work
3. I quit the server and re-enter it，It will return to normal

Expected behaviour
Normal rebirth

Screenshots
I'm sorry，I can't provide it

Versions (please complete the following information)

• Forge: 2838
• Flan's Mod: v5.6-beta.8

Additional context

How were you killed?

Killed by a gun.

Any errors in the server or client logs?