Issue with something, i don't remember

[Zempat]

Here's the crash report: WARNING: coremods are present: MalisisSwitchesPlugin (malisisswitches-1.12.2-5.1.0.jar) MalisisCorePlugin (malisiscore-1.12.2-6.5.1.jar) weaponlib (mw-1.11.7.7_mc1.12.2.jar) Contact their authors BEFORE contacting forge

// Don't do that.

Time: 7/11/19 9:08 PM Description: Rendering item

java.lang.IllegalStateException: Not building! at net.minecraft.client.renderer.BufferBuilder.func_178977_d(BufferBuilder.java:537) at net.minecraft.client.renderer.Tessellator.func_78381_a(SourceFile:21) at com.vicmatskiv.weaponlib.compatibility.CompatibleWeaponRenderer.func_188616_a(CompatibleWeaponRenderer.java:137) at net.minecraftforge.client.ForgeHooksClient.renderLitItem(ForgeHooksClient.java:653) at net.minecraft.client.renderer.RenderItem.func_191967_a(RenderItem.java:118) at net.minecraft.client.renderer.RenderItem.func_191961_a(RenderItem.java:106) at net.minecraft.client.renderer.RenderItem.func_180454_a(RenderItem.java:149) at net.minecraft.client.renderer.RenderItem.func_191962_a(RenderItem.java:308) at net.minecraft.client.renderer.RenderItem.func_184391_a(RenderItem.java:347) at net.minecraft.client.renderer.RenderItem.func_180450_b(RenderItem.java:336) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147051_a(GuiContainerCreative.java:922) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146976_a(GuiContainerCreative.java:758) at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:75) at net.minecraft.client.renderer.InventoryEffectRenderer.func_73863_a(InventoryEffectRenderer.java:51) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_73863_a(GuiContainerCreative.java:643) at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396) at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1124) at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1119) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398) at net.minecraft.client.main.Main.main(SourceFile:123) 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:497) 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 net.minecraft.client.renderer.BufferBuilder.func_178977_d(BufferBuilder.java:537) at net.minecraft.client.renderer.Tessellator.func_78381_a(SourceFile:21) at com.vicmatskiv.weaponlib.compatibility.CompatibleWeaponRenderer.func_188616_a(CompatibleWeaponRenderer.java:137) at net.minecraftforge.client.ForgeHooksClient.renderLitItem(ForgeHooksClient.java:653) at net.minecraft.client.renderer.RenderItem.func_191967_a(RenderItem.java:118) at net.minecraft.client.renderer.RenderItem.func_191961_a(RenderItem.java:106) at net.minecraft.client.renderer.RenderItem.func_180454_a(RenderItem.java:149) at net.minecraft.client.renderer.RenderItem.func_191962_a(RenderItem.java:308)

-- Item being rendered -- Details: Item Type: com.vicmatskiv.weaponlib.Weapon@12b8b7c8 Registry Name: mw:m16a4 Item Aux: 0 Item NBT: null Item Foil: false Stacktrace: at net.minecraft.client.renderer.RenderItem.func_184391_a(RenderItem.java:347) at net.minecraft.client.renderer.RenderItem.func_180450_b(RenderItem.java:336) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147051_a(GuiContainerCreative.java:922) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146976_a(GuiContainerCreative.java:758) at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:75) at net.minecraft.client.renderer.InventoryEffectRenderer.func_73863_a(InventoryEffectRenderer.java:51) at net.minecraft.client.gui.inventory.GuiContainerCreative.func_73863_a(GuiContainerCreative.java:643) at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396)

-- Screen render details -- Details: Screen name: net.minecraft.client.gui.inventory.GuiContainerCreative Mouse location: Scaled: (303, 19). Absolute: (1820, 1323) Screen size: Scaled: (427, 240). Absolute: (2560, 1440). Scale factor of 6

-- Affected level -- Details: Level name: MpServer All players: 1 total; [EntityPlayerSP['Zempat'/12, l='MpServer', x=965.50, y=12.51, z=-596.50]] Chunk stats: MultiplayerChunkCache: 529, 529 Level seed: 0 Level generator: ID 01 - flat, ver 0. Features enabled: false Level generator options: Level spawn location: World: (965,4,-598), Chunk: (at 5,0,10 in 60,-38; contains blocks 960,0,-608 to 975,255,-593), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513) Level time: 321 game time, 321 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: creative (ID 1). Hardcore: false. Cheats: false Forced entities: 2 total; [EntityLatchedRenderer['unknown'/5969, l='MpServer', x=8.50, y=65.00, z=8.50], EntityPlayerSP['Zempat'/12, l='MpServer', x=965.50, y=12.51, z=-596.50]] Retry entities: 1 total; [EntityLatchedRenderer['unknown'/5969, l='MpServer', x=8.50, y=65.00, z=8.50]] Server brand: fml,forge Server type: Integrated singleplayer server Stacktrace: at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:420) at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2741) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:419) at net.minecraft.client.main.Main.main(SourceFile:123) 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:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details -- Details: Minecraft Version: 1.12.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 520885120 bytes (496 MB) / 1744830464 bytes (1664 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.42 Powered by Forge 14.23.5.2838 13 mods loaded, 13 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

| State  | ID              | Version               | Source                                            | Signature                                |
|:------ |:--------------- |:--------------------- |:------------------------------------------------- |:---------------------------------------- |
| LCHIJA | minecraft       | 1.12.2                | minecraft.jar                                     | None                                     |
| LCHIJA | mcp             | 9.42                  | minecraft.jar                                     | None                                     |
| LCHIJA | FML             | 8.0.99.99             | forge-1.12.2-14.23.5.2838.jar                     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | forge           | 14.23.5.2838          | forge-1.12.2-14.23.5.2838.jar                     | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCHIJA | cfm             | 6.3.0                 | furniture-6.3.0-1.12.2.jar                        | None                                     |
| LCHIJA | ichunutil       | 7.2.1                 | iChunUtil-1.12.2-7.2.1.jar                        | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
| LCHIJA | malisiscore     | 1.12.2-6.5.1-SNAPSHOT | malisiscore-1.12.2-6.5.1.jar                      | None                                     |
| LCHIJA | malisisdoors    | 1.12.2-7.3.0          | malisisdoors-1.12.2-7.3.0.jar                     | None                                     |
| LCHIJA | malisisswitches | 1.12.2-5.1.0          | malisisswitches-1.12.2-5.1.0.jar                  | None                                     |
| LCHIJA | mobamputation   | 7.0.0                 | MobAmputation-1.12.2-7.0.0.jar                    | None                                     |
| LCHIJA | mw              | 1.11.7.7              | mw-1.11.7.7_mc1.12.2.jar                          | None                                     |
| LCHIJA | sync            | 7.1.0                 | Sync-1.12.2-7.1.0.jar                             | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
| LCHIJA | worldedit       | 6.1.10-SNAPSHOT       | worldedit-forge-mc1.12.2-6.1.10-SNAPSHOT-dist.jar | None                                     |

Loaded coremods (and transformers): 

MalisisSwitchesPlugin (malisisswitches-1.12.2-5.1.0.jar)

MalisisCorePlugin (malisiscore-1.12.2-6.5.1.jar)

weaponlib (mw-1.11.7.7_mc1.12.2.jar) com.vicmatskiv.weaponlib.core.WeaponlibClassTransformer GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 419.35' Renderer: 'GeForce GTX 970/PCIe/SSE2' Launched Version: 1.12.2-forge1.12.2-14.23.5.2838 LWJGL: 2.9.4 OpenGL: GeForce GTX 970/PCIe/SSE2 GL version 4.6.0 NVIDIA 419.35, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing. Using GL 1.3 texture combiners. Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported. Shaders are available because OpenGL 2.1 is supported. VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
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)
CPU: 4x Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz

[Zempat]

Got it, it was Modern Warfare.