when i active the ship Blocks will Disappear

[proTupy1]

This issue occurs when only Valkyrien Skies and addons are installed and no other mods

• [X] I have tested this issue and it occurs when no other mods are installed

Minecraft Version

1.20​

Mod Loader

Forge

Issue description

as u see here when i active the ship build will Disappear any help here ?

Issue reproduction

problem

Logs

need help

[PriestOfFerns]

Are you sure you actually tested this without other mods, because this bug is usually caused by using rendering mods, like optifine

[Dr-Tahmasbi]

Eureka is not currently support by optifine, if you are using it.