Creating Realm crashes on 6.4.0-alpha.3

[shalots]

Describe the bug

currently on the newest version release of the modpack, and wanted to open a realm for my friend and I. Everytime I click on create my realm and finish typing in the name for it and hit continue, my game crashes. Any help or tips on this would be much appreciated.

Modpack version

6.4.0-alpha.3

Launcher

Modrinth App

Confirm

• This bug report is about an issue with the modpack itself, I have not modified the mods nor added any resource packs. If this is not the case, I know that I should post the issue to modpack's Discord support channel instead.

Additional context

No response

[Madis0]

Please send the crash log.