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my minecraft keeps frezzing its fine when im idle but if i try to move it drops from 80 fps to 0


---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 5/18/13 10:19 AM
Description: Updating screen events

java.lang.NoSuchFieldError: k
at sharose.mods.guiapi.GuiModScreen.<init>(GuiModScreen.java:110)
at sharose.mods.guiapi.GuiModSelect.<init>(GuiModSelect.java:25)
at sharose.mods.guiapi.GuiApiButton.func_73736_c(GuiApiButton.java:21)
at net.minecraft.client.gui.GuiScreen.func_73864_a(SourceFile:69)
at net.minecraft.client.gui.GuiScreen.func_73867_d(SourceFile:127)
at net.minecraft.client.gui.GuiScreen.func_73862_m(SourceFile:111)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1499)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:834)
at net.minecraft.client.Minecraft.run(Minecraft.java:759)
at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at sharose.mods.guiapi.GuiModScreen.<init>(GuiModScreen.java:110)
at sharose.mods.guiapi.GuiModSelect.<init>(GuiModSelect.java:25)
at sharose.mods.guiapi.GuiApiButton.func_73736_c(GuiApiButton.java:21)
at net.minecraft.client.gui.GuiScreen.func_73864_a(SourceFile:69)
at net.minecraft.client.gui.GuiScreen.func_73867_d(SourceFile:127)
at net.minecraft.client.gui.GuiScreen.func_73862_m(SourceFile:111)

-- Affected screen --
Details:
Screen name: net.minecraft.client.gui.GuiOptions

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['qp_xRyanex_qp'/57, l='MpServer', x=172.62, y=60.62, z=327.48]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (152,64,252), Chunk: (at 8,4,12 in 9,15; contains blocks 144,0,240 to 159,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 261844 game time, 290121 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: 164 total; [EntityWolf['Wolf'/7053, l='MpServer', x=181.84, y=67.00, z=289.47], MoCEntityDuck['Duck'/26948, l='MpServer', x=95.75, y=77.00, z=300.41], MoCEntityFly['Fly'/25730, l='MpServer', x=153.75, y=67.00, z=304.53], EntityPig['Pig'/26950, l='MpServer', x=139.46, y=66.00, z=313.98], MoCEntityBee['Bee'/26953, l='MpServer', x=232.59, y=18.00, z=225.38], EntityWolf['Wolf'/26713, l='MpServer', x=248.34, y=65.00, z=364.59], MoCEntityFox['Fox'/26716, l='MpServer', x=83.50, y=64.00, z=369.50], MoCEntityBear['Bear'/26288, l='MpServer', x=212.56, y=72.00, z=417.47], MoCEntityElephant['Elephant'/26688, l='MpServer', x=202.50, y=73.00, z=409.50], MoCEntityCricket['Cricket'/26964, l='MpServer', x=106.13, y=83.36, z=288.50], MoCEntityCricket['Cricket'/26695, l='MpServer', x=268.66, y=62.00, z=363.31], MoCEntityFirefly['Firefly'/26969, l='MpServer', x=155.44, y=11.00, z=291.59], EntityWolf['Wolf'/26297, l='MpServer', x=222.50, y=68.00, z=368.50], EntityMinecartChest['entity.MinecartChest.name'/24, l='MpServer', x=106.50, y=43.50, z=251.50], MoCEntityFirefly['Firefly'/26971, l='MpServer', x=118.50, y=70.00, z=215.50], MoCEntityFirefly['Firefly'/26696, l='MpServer', x=128.50, y=67.00, z=275.50], MoCEntityFirefly['Firefly'/26970, l='MpServer', x=156.72, y=11.00, z=291.66], EntityWolf['Wolf'/25328, l='MpServer', x=158.50, y=67.00, z=383.50], MoCEntityFirefly['Firefly'/26972, l='MpServer', x=117.59, y=70.00, z=216.88], EntityMinecartChest['entity.MinecartChest.name'/31, l='MpServer', x=155.50, y=41.34, z=292.66], EntityWolf['Wolf'/25565, l='MpServer', x=241.69, y=69.00, z=386.88], MoCEntityButterfly['ButterFly'/26739, l='MpServer', x=204.50, y=13.00, z=226.50], MoCEntityFly['Fly'/26738, l='MpServer', x=205.50, y=13.00, z=226.50], EntityWolf['Wolf'/4098, l='MpServer', x=215.50, y=64.00, z=303.13], EntityWolf['Wolf'/25561, l='MpServer', x=211.31, y=63.00, z=317.38], MoCEntityBear['Bear'/24814, l='MpServer', x=173.16, y=64.00, z=338.31], MoCEntityFox['Fox'/26986, l='MpServer', x=89.50, y=69.00, z=385.50], MoCEntityFox['Fox'/26985, l='MpServer', x=86.35, y=69.56, z=386.01], EntityPig['Pig'/26751, l='MpServer', x=142.50, y=73.00, z=340.50], MoCEntityFirefly['Firefly'/25076, l='MpServer', x=241.50, y=65.00, z=278.50], MoCEntityFox['Fox'/25555, l='MpServer', x=190.53, y=67.00, z=281.41], MoCEntityJellyFish['JellyFish'/4050, l='MpServer', x=209.97, y=62.53, z=261.78], MoCEntityJellyFish['JellyFish'/4051, l='MpServer', x=219.34, y=62.19, z=256.44], MoCEntityFishy['Fishy'/4048, l='MpServer', x=195.15, y=62.00, z=248.06], MoCEntityFishy['Fishy'/4049, l='MpServer', x=218.95, y=56.00, z=252.04], MoCEntityFirefly['Firefly'/26999, l='MpServer', x=162.50, y=17.00, z=309.50], MoCEntityButterfly['ButterFly'/26998, l='MpServer', x=149.50, y=12.00, z=286.50], MoCEntityJellyFish['JellyFish'/4052, l='MpServer', x=208.53, y=62.06, z=269.31], MoCEntityJellyFish['JellyFish'/4053, l='MpServer', x=214.31, y=62.13, z=259.66], MoCEntityBee['Bee'/27002, l='MpServer', x=65.50, y=65.00, z=217.50], MoCEntityButterfly['ButterFly'/27001, l='MpServer', x=163.50, y=17.00, z=303.50], MoCEntityButterfly['ButterFly'/27000, l='MpServer', x=165.50, y=17.00, z=301.50], MoCEntityFirefly['Firefly'/26733, l='MpServer', x=119.81, y=21.00, z=304.56], MoCEntityFirefly['Firefly'/25296, l='MpServer', x=260.50, y=46.00, z=256.50], EntityClientPlayerMP['qp_xRyanex_qp'/57, l='MpServer', x=172.62, y=60.62, z=327.48], MoCEntityFox['Fox'/26615, l='MpServer', x=138.34, y=67.00, z=395.78], MoCEntityBunny['Bunny'/26642, l='MpServer', x=165.47, y=67.00, z=294.00], MoCEntityBunny['Bunny'/26640, l='MpServer', x=163.94, y=67.00, z=282.09], MoCEntityBunny['Bunny'/24980, l='MpServer', x=208.31, y=66.00, z=388.69], MoCEntityBunny['Bunny'/26888, l='MpServer', x=158.34, y=72.00, z=416.78], MoCEntityDuck['Duck'/25807, l='MpServer', x=260.16, y=64.00, z=343.63], MoCEntityFox['Fox'/26649, l='MpServer', x=232.91, y=76.00, z=416.28], MoCEntityRoach['Roach'/26901, l='MpServer', x=227.50, y=65.00, z=234.50], MoCEntityRoach['Roach'/26900, l='MpServer', x=226.50, y=65.00, z=235.50], MoCEntityFox['Fox'/25811, l='MpServer', x=224.16, y=69.00, z=365.50], MoCEntityJellyFish['JellyFish'/2524, l='MpServer', x=169.69, y=62.44, z=269.19], MoCEntityJellyFish['JellyFish'/2522, l='MpServer', x=165.25, y=62.56, z=265.81], MoCEntityJellyFish['JellyFish'/2523, l='MpServer', x=175.66, y=62.34, z=263.91], MoCEntityFox['Fox'/25813, l='MpServer', x=213.50, y=69.00, z=365.50], MoCEntityBear['Bear'/25818, l='MpServer', x=169.50, y=71.00, z=413.50], MoCEntitySnake['Snake'/25511, l='MpServer', x=140.50, y=11.00, z=318.50], MoCEntityMouse['Mouse'/26679, l='MpServer', x=167.44, y=42.00, z=286.28], MoCEntityFishy['Fishy'/25498, l='MpServer', x=276.89, y=62.00, z=290.37], MoCEntityMouse['Mouse'/26914, l='MpServer', x=130.59, y=14.00, z=244.66], MoCEntityMouse['Mouse'/25835, l='MpServer', x=265.41, y=61.00, z=356.53], MoCEntityMouse['Mouse'/25836, l='MpServer', x=260.94, y=60.00, z=354.16], MoCEntityMouse['Mouse'/26682, l='MpServer', x=167.53, y=42.00, z=277.41], MoCEntityBear['Bear'/26934, l='MpServer', x=180.50, y=63.00, z=361.50], MoCEntityFox['Fox'/26661, l='MpServer', x=126.53, y=73.00, z=436.91], MoCEntityBear['Bear'/26933, l='MpServer', x=181.50, y=63.00, z=363.50], MoCEntityBunny['Bunny'/26662, l='MpServer', x=118.38, y=74.00, z=441.47], MoCEntityBee['Bee'/26567, l='MpServer', x=183.50, y=17.00, z=281.50], MoCEntityFly['Fly'/25842, l='MpServer', x=199.47, y=91.00, z=239.22], MoCEntityBee['Bee'/26566, l='MpServer', x=227.97, y=84.00, z=228.53], MoCEntityBee['Bee'/25843, l='MpServer', x=228.78, y=28.00, z=237.59], MoCEntityCricket['Cricket'/26563, l='MpServer', x=190.94, y=36.00, z=215.69], MoCEntityMouse['Mouse'/26943, l='MpServer', x=137.47, y=13.00, z=278.63], MoCEntityBunny['Bunny'/26941, l='MpServer', x=184.50, y=63.00, z=361.50], MoCEntityBunny['Bunny'/26940, l='MpServer', x=180.50, y=63.00, z=362.50], MoCEntityBunny['Bunny'/25474, l='MpServer', x=166.47, y=72.00, z=337.78], MoCEntityBunny['Bunny'/26842, l='MpServer', x=208.50, y=73.00, z=410.50], MoCEntityJellyFish['JellyFish'/26843, l='MpServer', x=262.56, y=62.00, z=274.13], EntityWolf['Wolf'/25462, l='MpServer', x=154.28, y=70.00, z=398.38], MoCEntityBunny['Bunny'/26841, l='MpServer', x=200.97, y=72.00, z=409.78], MoCEntityJellyFish['JellyFish'/26844, l='MpServer', x=260.56, y=62.00, z=276.31], MoCEntityJellyFish['JellyFish'/26845, l='MpServer', x=264.25, y=62.00, z=273.66], MoCEntityBear['Bear'/26834, l='MpServer', x=241.34, y=69.00, z=385.28], MoCEntityBunny['Bunny'/25471, l='MpServer', x=204.03, y=62.00, z=371.13], MoCEntityElephant['Elephant'/26835, l='MpServer', x=234.28, y=68.00, z=388.78], MoCEntityBear['Bear'/26832, l='MpServer', x=237.50, y=68.00, z=381.50], EntityWolf['Wolf'/26836, l='MpServer', x=240.50, y=73.00, z=402.50], MoCEntityFly['Fly'/25869, l='MpServer', x=252.25, y=25.00, z=357.41], MoCEntityFishy['Fishy'/2599, l='MpServer', x=217.88, y=56.11, z=251.01], MoCEntityFishy['Fishy'/2597, l='MpServer', x=217.55, y=56.00, z=251.85], MoCEntityBird['Bird'/26830, l='MpServer', x=140.04, y=66.70, z=313.20], MoCEntityBird['Bird'/26829, l='MpServer', x=144.38, y=66.00, z=312.28], MoCEntityDragonfly['DragonFly'/25866, l='MpServer', x=159.59, y=33.00, z=305.72], MoCEntityJellyFish['JellyFish'/2606, l='MpServer', x=215.56, y=62.00, z=256.44], MoCEntityMaggot['Maggot'/26818, l='MpServer', x=214.66, y=64.00, z=231.78], MoCEntityCricket['Cricket'/26817, l='MpServer', x=123.47, y=62.00, z=283.25], MoCEntityFishy['Fishy'/2604, l='MpServer', x=209.85, y=62.00, z=234.15], MoCEntityCricket['Cricket'/26816, l='MpServer', x=145.88, y=48.00, z=285.44], MoCEntityJellyFish['JellyFish'/2605, l='MpServer', x=217.78, y=62.00, z=251.63], MoCEntityFishy['Fishy'/2602, l='MpServer', x=209.15, y=62.06, z=234.15], MoCEntityFishy['Fishy'/2603, l='MpServer', x=195.15, y=62.00, z=248.85], MoCEntityFishy['Fishy'/2600, l='MpServer', x=209.59, y=60.51, z=234.84], MoCEntityDragonfly['DragonFly'/26820, l='MpServer', x=211.78, y=66.00, z=229.59], MoCEntityFishy['Fishy'/2601, l='MpServer', x=218.36, y=56.00, z=251.85], MoCEntityBunny['Bunny'/24947, l='MpServer', x=166.31, y=68.00, z=391.00], MoCEntityMouse['Mouse'/25646, l='MpServer', x=150.50, y=12.00, z=323.50], EntityWolf['Wolf'/24950, l='MpServer', x=160.53, y=68.00, z=386.84], MoCEntityJellyFish['JellyFish'/2576, l='MpServer', x=182.47, y=62.44, z=208.22], MoCEntityBunny['Bunny'/24953, l='MpServer', x=178.44, y=60.00, z=372.59], MoCEntityFishy['Fishy'/3445, l='MpServer', x=156.15, y=62.00, z=237.28], MoCEntityFishy['Fishy'/3446, l='MpServer', x=166.84, y=62.00, z=216.62], MoCEntityJellyFish['JellyFish'/2575, l='MpServer', x=181.69, y=62.34, z=206.19], MoCEntityFox['Fox'/25649, l='MpServer', x=244.50, y=70.00, z=385.50], MoCEntityJellyFish['JellyFish'/3170, l='MpServer', x=167.91, y=62.13, z=261.47], MoCEntityRay['Ray'/3171, l='MpServer', x=155.66, y=61.09, z=234.26], MoCEntityFox['Fox'/25650, l='MpServer', x=246.41, y=71.00, z=384.53], MoCEntityJellyFish['JellyFish'/3169, l='MpServer', x=169.84, y=62.53, z=259.88], EntityWolf['Wolf'/25675, l='MpServer', x=148.50, y=69.00, z=360.50], EntityWolf['Wolf'/25678, l='MpServer', x=174.66, y=63.00, z=346.59], EntityWolf['Wolf'/25679, l='MpServer', x=173.63, y=63.00, z=362.25], MoCEntityFox['Fox'/25396, l='MpServer', x=122.22, y=70.00, z=368.69], MoCEntityFox['Fox'/26774, l='MpServer', x=106.41, y=71.00, z=331.59], MoCEntityBear['Bear'/26772, l='MpServer', x=153.50, y=75.00, z=434.50], MoCEntityBear['Bear'/26773, l='MpServer', x=155.50, y=75.00, z=433.50], MoCEntityBunny['Bunny'/26771, l='MpServer', x=149.84, y=76.00, z=430.59], MoCEntityBunny['Bunny'/26768, l='MpServer', x=169.53, y=62.00, z=357.34], MoCEntityRoach['Roach'/25691, l='MpServer', x=222.44, y=65.00, z=283.53], MoCEntityCrab['Crab'/25689, l='MpServer', x=219.97, y=64.00, z=277.41], EntityWolf['Wolf'/8344, l='MpServer', x=192.47, y=65.00, z=273.91], MoCEntityBear['Bear'/26759, l='MpServer', x=109.56, y=70.00, z=38
1.56], MoCEntityBunny['Bunny'/26758, l='MpServer', x=103.09, y=71.00, z=374.56], EntityWolf['Wolf'/25681, l='MpServer', x=187.44, y=63.00, z=345.75], EntityWolf['Wolf'/25680, l='MpServer', x=169.06, y=68.00, z=347.50], MoCEntityBunny['Bunny'/26754, l='MpServer', x=279.50, y=64.00, z=316.50], MoCEntityButterfly['ButterFly'/24841, l='MpServer', x=254.50, y=67.00, z=353.50], MoCEntityBigCat['BigCat'/26752, l='MpServer', x=272.50, y=65.00, z=322.81], MoCEntityFishy['Fishy'/2669, l='MpServer', x=157.15, y=57.00, z=267.19], MoCEntityCricket['Cricket'/26812, l='MpServer', x=131.19, y=66.00, z=318.09], MoCEntityBee['Bee'/25360, l='MpServer', x=183.81, y=31.00, z=225.53], EntityItem['item.item.slimeball'/26814, l='MpServer', x=162.63, y=57.13, z=275.25], MoCEntityFirefly['Firefly'/26815, l='MpServer', x=266.88, y=71.00, z=346.38], EntityPig['Pig'/26808, l='MpServer', x=116.50, y=74.00, z=286.50], MoCEntityBoar['Boar'/26809, l='MpServer', x=119.16, y=72.00, z=283.53], MoCEntityFishy['Fishy'/24881, l='MpServer', x=248.31, y=62.01, z=293.11], MoCEntityCricket['Cricket'/26811, l='MpServer', x=131.44, y=64.00, z=315.38], MoCEntityFishy['Fishy'/24880, l='MpServer', x=266.47, y=62.00, z=275.16], MoCEntityFishy['Fishy'/2646, l='MpServer', x=170.01, y=61.53, z=249.60], MoCEntityFishy['Fishy'/2649, l='MpServer', x=165.44, y=62.00, z=250.16], MoCEntityFishy['Fishy'/2648, l='MpServer', x=157.15, y=57.00, z=267.78], MoCEntityFox['Fox'/25097, l='MpServer', x=108.50, y=68.00, z=256.50], MoCEntityBunny['Bunny'/26802, l='MpServer', x=202.13, y=69.00, z=373.59], MoCEntityBunny['Bunny'/26803, l='MpServer', x=199.78, y=69.00, z=376.50], MoCEntityButterfly['ButterFly'/25725, l='MpServer', x=141.28, y=28.00, z=297.13], MoCEntityFishy['Fishy'/24878, l='MpServer', x=249.85, y=62.00, z=292.48], MoCEntityFishy['Fishy'/24879, l='MpServer', x=246.16, y=62.00, z=277.59], MoCEntityDolphin['Dolphin'/24876, l='MpServer', x=251.85, y=62.00, z=274.86], MoCEntityDolphin['Dolphin'/24877, l='MpServer', x=257.38, y=62.03, z=268.43], MoCEntityRoach['Roach'/25358, l='MpServer', x=142.47, y=71.00, z=286.91], MoCEntityFox['Fox'/26786, l='MpServer', x=279.41, y=70.00, z=281.31], MoCEntityRoach['Roach'/25359, l='MpServer', x=189.41, y=32.00, z=220.38]]
Retry entities: 0 total; []
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:441)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2413)
at net.minecraft.client.Minecraft.run(Minecraft.java:775)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 302321160 bytes (288 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 20225 (1132600 bytes; 1 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML: MCP v7.51 FML v5.2.2.684 Minecraft Forge 7.8.0.684 Optifine OptiFine_1.5.2_HD_D2 14 mods loaded, 14 mods active
mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{5.2.2.684} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{7.8.0.684} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_TooManyItems{1.5.2 2013-04-25} [mod_TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
GuiAPI{0.15.4} [GuiAPI] (GuiAPI-0.15.4-1.5.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
jammyfurniture{4.4} [Jammy Furniture Mod] (1.5.2_Jammy_Furniture_Mod_V4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
cfm{2.8.4} [MrCrayfish's Furniture Mod] ([Forge]FurnitureMod2.8.4(FULL).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiomesOPlenty{0.5.2} [Biomes O' Plenty] (Biomes-O-Plenty-0.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
craftguide{1.5.2} [CraftGuide] (CraftGuide-1.6.7.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CustomSpawner{1.12.5} [DrZhark's CustomSpawner] (CustomMobSpawner 1.12.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MoCreatures{5.1.5} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v5.1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
inventorytweaks{1.54b} [Inventory Tweaks] (InventoryTweaks-1.54b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MCA{3.3.3} [Minecraft Comes Alive] (mca v3.3.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_Timber{1.5.1r2} [Timber!] (Timber! (1.5.2).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LWJGL: 2.4.2
OpenGL: GeForce 7950 GT/PCIe/SSE2 GL version 2.1.2, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Texture Pack: [1.5] FNI Realistic RPG.zip
Profiler Position: N/A (disabled)
Vec3 Pool Size: 11207 (627592 bytes; 0 MB) allocated, 13 (728 bytes; 0 MB) used

Sounds like your computer may not be able to handle minecraft.

Try and allocate more ram to your Minecraft,
I recommend this video;

Not at all, Reinstall GUIAPI

ok thanks