TileEntity

Remove astraldimension - looks like it is causing rendering issues with Embeddium/Oculus

iwannaskate is conflicting with brewery - remove one of these mods

The issue is directly mentioned at net.minecraft.world.level.NaturalSpawner.m_47045_(NaturalSpawner.java:118) ~[client-1.20.1-20230612.114412-srg.jar%23354!/:?] {re:mixin,xf:fml:forge:forge_method_redirector,re:classloading,xf:fml:forge:forge_method_redirector,pl:mixin:APP:mixins.bosses_of_mass_destruction.json:NaturalSpawnerMixin,pl:mixin:A} Natura is also involved/mentioned - so maybe also try removing natura and add bosses_of_mass_destruction again The spawn rates are usually defined via mods - sometimes spawnrates can be changes at their configs There is the mod InControl: https://www.curseforge.com/minecraft/mc-mods/in-control With it, you can change the spawnrates, too

If you are using AMD/ATI, get the drivers directly from their website

Is the server using Java 17? Check the server log for this version

Maybe it is something outside Minecraft - make a test with disabled Firewall and Antivirus program

Try this build: https://www.curseforge.com/minecraft/mc-mods/configured/files/5105022

Remove mods one by one until you find the one, causing this issue

Add the full crash-report

Delete the config of NoChatReports (config folder) If there is no change, remove this mod

Update the divers: https://www.amd.com/en/support/apu/amd-ryzen-processors/amd-ryzen-5-processors-radeon-graphics/amd-ryzen-5-7520u

Maybe it refers to the OpenGL error spam Make a test without Rubidium and Oculus

Remove the mod do_a_barrel_roll

Do you have Java 17 installed?

Add the crash-report or latest.log (logs-folder) with sites like https://paste.ee/ and paste the link to it here

Add configured: https://www.curseforge.com/minecraft/mc-mods/configured

Start with removing dawnera - if this is not working, add the new log

There is an issue with immersiveMelodies - check for other 1.20.1 builds or remove it

Remove Immersive Portals

Looks like an issue with bosses_of_mass_destruction - the spawner causing issues

Also make a test without apotheosis

Make a test without terraqueous

Check for AMD/ATI driver updates on their website

Is there a crash-report or similar? What is the issue? Some Create addons are not compatible with the latest Create build Valkyrien Skies can run into issues in connection with Rubidium/Embeddium + Addons

Make a test without the mod essentialcommands