The bug is easily reproducible using the description provided by OP.
This is a modpack that I am running on my server. Your suggesting that I remove mods? I don't think that is the best advice for me.
Here is a crash report though.
---- Minecraft Crash Report ----
WARNING: coremods are present:
SurgeLoadingPlugin (Surge-1.10.2-1.1.0.61.jar)
ForgelinPlugin (Forgelin-1.2.0.jar)
LoadingPlugin (RandomThings-MC1.10.2-3.7.7.jar)
LoadingPlugin (ResourceLoader-MC1.9.4-1.5.1.jar)
AppleCore (AppleCore-mc1.10.2-2.1.0.jar)
NWRTweak (redstonepaste-mc1.9.4-1.7.4.jar)
BookshelfLoadingPlugin (Bookshelf-1.10.2-1.4.3.338.jar)
ChiselCorePlugin (Chisel-MC1.10.2-0.0.7.7.jar)
EnderCorePlugin (EnderCore-1.10.2-0.4.1.62-beta.jar)
llibrary (llibrary-1.7.2-1.10.2.jar)
Do not report to Forge! Remove FoamFixAPI (or replace with FoamFixAPI-Lawful) and try again. (foamfix-0.5.0-BETA2-anarchy.jar)
RebornCoreASM (RebornCore-1.10.2-2.12.1.96-universal.jar)
SFRCore (SolarFluxReborn_1.10.2-2.4r.jar)
Brandon's Core (BrandonsCore-1.10.2-2.1.3.82-universal.jar)
Default Options (DefaultOptions_1.10.2-6.1.5.jar)
CCLCorePlugin (CodeChickenLib-1.10.2-2.5.1.185-universal.jar)
ShetiPhian-ASM (shetiphiancore-1.10.0-3.3.6.jar)
NEICorePlugin (NotEnoughItems-1.10.2-2.1.3.182-universal.jar)
TransformerLoader (OpenComputers-MC1.10.2-1.6.1.6.jar)
literalascension (literalascension-1.10.2-1.0.0.3.jar)
BiomeTweakerCore (BiomeTweaker-1.10.2-2.1.230.jar)
Contact their authors BEFORE contacting forge
// I'm sorry, Dave.
Time: 1/13/17 8:16 PM
Description: Ticking entity
java.lang.ClassCastException: java.lang.Float cannot be cast to net.minecraft.util.math.BlockPos
at vazkii.botania.common.entity.EntityManaBurst.getBurstSourceBlockPos(EntityManaBurst.java:708)
at vazkii.botania.common.entity.EntityManaBurst.getShooter(EntityManaBurst.java:624)
at vazkii.botania.common.entity.EntityManaBurst.ping(EntityManaBurst.java:776)
at vazkii.botania.common.entity.EntityManaBurst.func_70071_h_(EntityManaBurst.java:311)
at net.minecraft.world.World.func_72866_a(World.java:1964)
at net.minecraft.world.World.func_72870_g(World.java:1934)
at net.minecraft.world.World.func_72939_s(World.java:1750)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1789)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at vazkii.botania.common.entity.EntityManaBurst.getBurstSourceBlockPos(EntityManaBurst.java:708)
at vazkii.botania.common.entity.EntityManaBurst.getShooter(EntityManaBurst.java:624)
at vazkii.botania.common.entity.EntityManaBurst.ping(EntityManaBurst.java:776)
at vazkii.botania.common.entity.EntityManaBurst.func_70071_h_(EntityManaBurst.java:311)
at net.minecraft.world.World.func_72866_a(World.java:1964)
at net.minecraft.world.World.func_72870_g(World.java:1934)
-- Entity being ticked --
Details:
Entity Type: Botania.botania:manaBurst (vazkii.botania.common.entity.EntityManaBurst)
Entity ID: 3238381
Entity Name: Mana Burst
Entity's Exact location: -118.50, 58.48, -155.30
Entity's Block location: World: (-119,58,-156), Chunk: (at 9,3,4 in -8,-10; contains blocks -128,0,-160 to -113,255,-145), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, -4.02, 0.20
Entity's Passengers: []
Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1750)
