Problem/Bug Need some help, cant connect to a server and this is the error

Below I listed my crash report which I have received multiple times. I'm thinking of entering world edit and deleting all mobs, but I'm not sure that'll work. Any ideas?

Code:

---- Minecraft Crash Report ----
// Why did you do that?
Time: 1/26/18 7:41 PM
Description: Ticking entity
java.lang.NullPointerException: Ticking entity
at net.minecraft.potion.PotionEffect.func_76455_a(PotionEffect.java:105)
at net.minecraft.entity.EntityLivingBase.func_70679_bo(EntityLivingBase.java:524)
at net.minecraft.entity.EntityLivingBase.func_70030_z(EntityLivingBase.java:293)
at net.minecraft.entity.Entity.func_70071_h_(Entity.java:318)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1561)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:288)
at net.minecraft.client.entity.EntityClientPlayerMP.func_70071_h_(SourceFile:63)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.World.func_72870_g(World.java:2034)
at net.minecraft.world.World.func_72939_s(World.java:1887)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2006)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
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 --
Stacktrace:
at net.minecraft.potion.PotionEffect.func_76455_a(PotionEffect.java:105)
at net.minecraft.entity.EntityLivingBase.func_70679_bo(EntityLivingBase.java:524)
at net.minecraft.entity.EntityLivingBase.func_70030_z(EntityLivingBase.java:293)
at net.minecraft.entity.Entity.func_70071_h_(Entity.java:318)
at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1561)
at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:288)
at net.minecraft.client.entity.EntityClientPlayerMP.func_70071_h_(SourceFile:63)
at net.minecraft.world.World.func_72866_a(World.java:2070)
at net.minecraft.world.World.func_72870_g(World.java:2034)
-- Entity being ticked --
Details:
Entity Type: null (net.minecraft.client.entity.EntityClientPlayerMP)
Entity ID: 236090
Entity Name: NewMegamanX99
Entity's Exact location: 1460.19, 89.62, 475.59
Entity's Block location: World: (1460,89,475), Chunk: (at 4,5,11 in 91,29; contains blocks 1456,0,464 to 1471,255,479), Region: (2,0; contains chunks 64,0 to 95,31, blocks 1024,0,0 to 1535,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1887)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['NewMegamanX99'/236090, l='MpServer', x=1460.19, y=89.62, z=475.59]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-5,65,-354), Chunk: (at 11,4,14 in -1,-23; contains blocks -16,0,-368 to -1,255,-353), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 5008063 game time, 5074329 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 25 total; [EntityMooshroom['Mooshroom'/236099, l='MpServer', x=1523.41, y=64.00, z=419.63], EntityCreeper['Creeper'/236355, l='MpServer', x=1496.50, y=25.00, z=490.50], EntityMooshroom['Mooshroom'/236098, l='MpServer', x=1518.69, y=63.00, z=415.28], EntityCreeper['Creeper'/236354, l='MpServer', x=1498.50, y=25.00, z=490.50], EntityMooshroom['Mooshroom'/236097, l='MpServer', x=1505.09, y=61.72, z=413.22], EntitySkeleton['Skeleton'/236353, l='MpServer', x=1498.50, y=25.00, z=492.50], EntityItemFrame['Item Frame'/175873, l='MpServer', x=1402.50, y=66.50, z=523.94], EntitySkeleton['Skeleton'/236352, l='MpServer', x=1499.50, y=25.00, z=491.50], EntityChicken['Chicken'/175885, l='MpServer', x=1443.41, y=78.88, z=534.44], EntityZombie['Zombie'/236375, l='MpServer', x=1510.50, y=25.00, z=486.50], EntityZombie['Zombie'/236374, l='MpServer', x=1508.50, y=25.00, z=489.50], EntitySpider['Spider'/236372, l='MpServer', x=1507.50, y=25.00, z=483.50], EntityEvilWizard['Wizard'/236391, l='MpServer', x=1519.50, y=15.00, z=436.50], EntityEvilWizard['Wizard'/236392, l='MpServer', x=1518.50, y=15.00, z=439.50], EntityCreeper['Creeper'/236339, l='MpServer', x=1420.50, y=14.00, z=437.50], EntityClientPlayerMP['NewMegamanX99'/236090, l='MpServer', x=1460.19, y=89.62, z=475.59], EntityCow['Cow'/236087, l='MpServer', x=1400.91, y=62.00, z=457.84], EntityVampire['Vampire'/236341, l='MpServer', x=1414.50, y=14.00, z=436.50], EntityVampire['Vampire'/236340, l='MpServer', x=1420.50, y=14.00, z=435.50], EntityMooshroom['Mooshroom'/236091, l='MpServer', x=1518.16, y=63.00, z=440.03], EntityMooshroom['Mooshroom'/236088, l='MpServer', x=1436.25, y=63.00, z=442.31], EntitySkeleton['Skeleton'/236351, l='MpServer', x=1500.50, y=25.00, z=492.50], EntityMooshroom['Mooshroom'/236093, l='MpServer', x=1520.16, y=63.00, z=442.13], EntityHat['unknown'/62, l='MpServer', x=1460.19, y=89.62, z=475.59], EntityMooshroom['Mooshroom'/236092, l='MpServer', x=1519.63, y=63.00, z=424.75]]
Retry entities: 0 total; []
Server brand: thermos,cauldron,craftbukkit,mcpc,kcauldron,fml,forge
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2444)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:919)
at net.minecraft.client.main.Main.main(SourceFile:148)
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)
-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 264801112 bytes (252 MB) / 1006632960 bytes (960 MB) up to 1073741824 bytes (1024 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 71 mods loaded, 57 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJA Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJA AM2-Preloader{0.0.3} [AMCore] (minecraft.jar)
UCHIJA CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UCHIJA NotEnoughItems{1.0.5.120} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.120-universal.jar)
UCHIJA OpenModsCore{0.10} [OpenModsCore] (minecraft.jar)
UCHIJA <CoFH ASM>{000} [CoFH ASM] (minecraft.jar)
UCHIJA AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10-1.2.4.jar)
UCHIJA arsmagica2{1.4.0.009} [Ars Magica 2] (1.7.10_AM2-1.4.0.009.jar)
UCHIJA abyssalcraft{1.9.1.3} [AbyssalCraft] (AbyssalCraft-1.7.10-1.9.1.3-FINAL.jar)
UCHIJA Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar)
UCHIJA BiblioCraft{1.11.7} [BiblioCraft] (BiblioCraft[v1.11.7][MC1.7.10].jar)
UCHIJA Mantle{1.7.10-0.3.2.jenkins191} [Mantle] (Mantle-1.7.10-0.3.2b.jar)
UCHIJA Natura{2.2.0} [Natura] (natura-1.7.10-2.2.1a2.jar)
UCHIJA BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.2308-universal.jar)
UCHIJA AWWayofTime{v1.3.3} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.7.10-1.3.3-17.jar)
UCHIJA guideapi{1.7.10-1.0.1-29} [Guide-API] (Guide-API-1.7.10-1.0.1-29.jar)
UCHIJA Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
UCHIJA Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UCHIJA BloodArsenal{1.2-5} [Blood Arsenal] (BloodArsenal-1.7.10-1.2-5.jar)
UCHIJA Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-1.7.10-4.2.3.5.jar)
UCHIJA Botania{r1.8-249} [Botania] (Botania+r1.8-249.jar)
UCHIJA CoFHCore{1.7.10R3.1.4} [CoFH Core] (CoFHCore-[1.7.10]3.1.4-329.jar)
UCHIJA redgear_core{2.2.2} [Red Gear Core] (RedGearCore-1.7.10-2.2.2.jar)
UCHIJA redgear_brewcraft{1.3.3} [Brewcraft] (Brewcraft-1.7.10-1.3.3.jar)
UCHIJA ForgeMultipart{1.2.0.345} [Forge Multipart] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJA chisel{2.9.5.11} [Chisel] (Chisel-2.9.5.11.jar)
UCHIJA CarpentersBlocks{3.3.8.1} [Carpenter's Blocks] (Carpenter's+Blocks+v3.3.8.1+-+MC+1.7.10.jar)
UCHIJA ChickenChunks{1.3.4.19} [ChickenChunks] (ChickenChunks-1.7.10-1.3.4.19-universal.jar)
UCHIJA DragonMounts{r39} [Dragon Mounts] (Dragon-Mounts-Mod-1.7.10.jar)
UCHIJA wizardry{1.1.5} [Electroblob's Wizardry] (Electroblob's+Wizardry+-+1.1.5+-+MC+1.7.10.jar)
UCHIJA iChunUtil{4.2.3} [iChunUtil] (iChunUtil-4.2.3.jar)
UCHIJA Hats{4.0.1} [Hats] (Hats-4.0.1.jar)
UCHIJA IronChest{6.0.62.742} [Iron Chest] (ironchest-1.7.10-6.0.62.742-universal.jar)
UCHIJA journeymap{5.1.4p2} [JourneyMap] (journeymap-1.7.10-5.1.4p2-fairplay.jar)
UCHIJA MineFactoryReloaded{1.7.10R2.8.2B1} [MineFactory Reloaded] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UCHIJA MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.2B1} [MFR Compat: ForgeMicroblock] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UCHIJA MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.2B1} [MFR Compat: Thaumcraft] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UCHIJA MineFactoryReloaded|CompatVanilla{1.7.10R2.8.2B1} [MFR Compat: Vanilla] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UCHIJA necromancy{1.7.2} [Necromancy] (Necromancy-1.7.10.jar)
UCHIJA neresources{0.1.0.ManuallyBuilt} [Not Enough Resources] (NotEnoughResources-1.7.10-0.1.0-128.jar)
UCHIJA OpenMods{0.10} [OpenMods] (OpenModsLib-1.7.10-0.10.jar)
UCHIJA OpenBlocks{1.6} [OpenBlocks] (OpenBlocks-1.7.10-1.6.jar)
UCHIJA harvestcraft{1.7.10j} [Pam's HarvestCraft] (Pam's+HarvestCraft+1.7.10Lb.jar)
UCHIJA PetBat{1.3.8} [Pet Bat] (PetBat-1.7.10.jar)
UCHIJA ProjectE{1.7.10-PE1.10.1} [ProjectE] (ProjectE-1.7.10-PE1.10.1.jar)
UCHIJA MrTJPCoreMod{1.1.0.33} [MrTJPCore] (MrTJPCore-1.1.0.33-universal.jar)
UCHIJA ProjRed|Core{4.7.0pre12.95} [ProjectRed Core] (ProjectRed-1.7.10-4.7.0pre12.95-Base.jar)
UCHIJA secretroomsmod{4.7.1} [The SecretRoomsMod] (secretroomsmod-1.7.10-4.7.1.413.zip)
UCHIJA skinport{1.7.10-v8c} [SkinPort] (SkinPort-1.7.10-v8c.jar)
UCHIJA totemic{1.7.10-0.6.2} [Totemic] (Totemic-1.7.10-0.6.2.jar)
UCHIJA vampirism{0.7.9} [Vampirism] (Vampirism-1.7.10-0.7.9.jar)
UCHIJA wawla{1.3.1} [What Are We Looking At] (Wawla-1.0.5.120.jar)
UCHIJA witchery{0.24.1} [Witchery] (witchery-1.7.10-0.24.1.jar)
UCHIJA McMultipart{1.2.0.345} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJA ForgeMicroblock{1.2.0.345} [Forge Microblocks] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UD MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.2B1} [MFR Compat: Applied Energistics] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatAtum{1.7.10R2.8.2B1} [MFR Compat: Atum] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatBackTools{1.7.10R2.8.2B1} [MFR Compat: BackTools] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.2B1} [MFR Compat: BuildCraft] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatChococraft{1.7.10R2.8.2B1} [MFR Compat: Chococraft] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.2B1} [MFR Compat: ExtraBiomes] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatForestry{1.7.10R2.8.2B1} [MFR Compat: Forestry] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatIC2{1.7.10R2.8.2B1} [MFR Compat: IC2] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatProjRed{1.7.10R2.8.2B1} [MFR Compat ProjectRed] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.2B1} [MFR Compat: Railcraft] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.2B1} [MFR Compat: Sufficient Biomes] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.2B1} [MFR Compat: Thermal Expansion] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatTConstruct{1.7.10R2.8.2B1} [MFR Compat: Tinkers' Construct] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
UD MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.2B1} [MFR Compat: TwilightForest] (MineFactoryReloaded-[1.7.10]2.8.2B1-201.jar)
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 385.46' Renderer: 'GeForce GTX 1080/PCIe/SSE2'
OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[player_damage_hook:FINISHED],[map_gen_fix:FINISHED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
Class transformer null safety: all safe
Mantle Environment: Environment healthy.
CoFHCore: -[1.7.10]3.1.4-329
MineFactoryReloaded: -[1.7.10]2.8.2B1-201
Chisel: Errors like "[FML]: Unable to lookup ..." are NOT the cause of this crash. You can safely ignore these errors. And update forge while you're at it.
Stencil buffer state: Function set: GL30, pool: forge, bits: 8
Launched Version: 1.7.10-Forge10.13.4.1614-1.7.10
LWJGL: 2.9.1
OpenGL: GeForce GTX 1080/PCIe/SSE2 GL version 4.5.0 NVIDIA 385.46, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)