Describe the bug
When creating world it says "Incomplete Set of Tags Received from Server Please Contact Server Operator", and then when i go "ok" it takes me to the multiplayer choose server screen. It didn't happened before, started happening now with the new version

To Reproduce
Steps to reproduce the behavior:

1. Create world

Expected behavior
The world to be created

Screenshots

System (please complete the following information):

• Occultism Version: 1.25.5
• OS: Windows 10
• Minecraft Version: 1.18.1
• Modpack Link and Version, or list of mods:
  57 mods

Same issue as OP, same mod/MC version, Disabling/removing Occultism fixes/stops issue, and worlds create as normal.
Relevant snippet from end of my log:
2022-01-26-4.log.gz

[21:01:06] [Render thread/WARN]: Failed to load datapacks, can't proceed with server load
java.util.concurrent.ExecutionException: java.lang.IllegalStateException: Missing required tags: ResourceKey[minecraft:root / minecraft:block]:occultism:tree_soil
at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396) ~[?:?]
at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2073) ~[?:?]
at net.minecraft.client.Minecraft.m_91190_(Minecraft.java:2071) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.Minecraft.doLoadLevel(Minecraft.java:1906) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.Minecraft.m_91200_(Minecraft.java:1873) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_101744_(WorldSelectionList.java:436) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_101704_(WorldSelectionList.java:342) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.m_6375_(WorldSelectionList.java:273) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.components.AbstractSelectionList.m_6375_(AbstractSelectionList.java:323) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.components.events.ContainerEventHandler.m_6375_(ContainerEventHandler.java:27) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.MouseHandler.lambda$onPress$0(MouseHandler.java:88) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.gui.screens.Screen.m_96579_(Screen.java:527) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.MouseHandler.m_91530_(MouseHandler.java:85) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.MouseHandler.m_168091_(MouseHandler.java:185) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.util.thread.BlockableEventLoop.execute(BlockableEventLoop.java:101) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.MouseHandler.m_91565_(MouseHandler.java:184) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar%2348!/:build 10]
at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar%2344!/:build 10]
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101) ~[lwjgl-glfw-3.2.2.jar%2348!/:build 10]
at com.mojang.blaze3d.systems.RenderSystem.m_69495_(RenderSystem.java:202) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at com.mojang.blaze3d.platform.Window.m_85435_(Window.java:333) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1062) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:660) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.main.Main.main(Main.java:205) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:45) ~[fmlloader-1.18.1-39.0.59.jar%2323!/:?]
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%235!/:?]
at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?]
Caused by: java.lang.IllegalStateException: Missing required tags: ResourceKey[minecraft:root / minecraft:block]:occultism:tree_soil
at net.minecraft.tags.TagManager.m_144592_(TagManager.java:58) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:718) ~[?:?]
at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482) ~[?:?]
at net.minecraft.server.packs.resources.SimpleReloadInstance.m_143940_(SimpleReloadInstance.java:71) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.util.thread.BlockableEventLoop.m_6367_(BlockableEventLoop.java:151) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.m_6367_(ReentrantBlockableEventLoop.java:23) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.util.thread.BlockableEventLoop.m_7245_(BlockableEventLoop.java:125) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.util.thread.BlockableEventLoop.m_18701_(BlockableEventLoop.java:134) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
at net.minecraft.client.Minecraft.m_91190_(Minecraft.java:2070) ~[client-1.18.1-20211210.034407-srg.jar%23128!/:?]
... 34 more
[21:01:09] [Render thread/INFO]: Stopping!

Please provide a log file

It works fine with 1.24.3