java.lang.ArrayIndexOutOfBoundsException: 16
at com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:153)
at mapwriter.Mw.reloadBlockColours(Mw.java:402)
at mapwriter.Mw.load(Mw.java:515)
at mapwriter.Mw.onChunkLoad(Mw.java:649)
at mapwriter.forge.EventHandler.eventChunkLoad(EventHandler.java:25)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_154_EventHandler_eventChunkLoad_Load.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.multiplayer.ChunkProviderClient.func_73158_c(ChunkProviderClient.java:59)
at net.minecraft.client.multiplayer.WorldClient.func_73025_a(WorldClient.java:144)
at net.minecraft.client.network.NetHandlerPlayClient.func_147269_a(NetHandlerPlayClient.java:1191)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:184)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:242)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2061)
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 com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:153)
at mapwriter.Mw.reloadBlockColours(Mw.java:402)
at mapwriter.Mw.load(Mw.java:515)
at mapwriter.Mw.onChunkLoad(Mw.java:649)
at mapwriter.forge.EventHandler.eventChunkLoad(EventHandler.java:25)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_154_EventHandler_eventChunkLoad_Load.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.multiplayer.ChunkProviderClient.func_73158_c(ChunkProviderClient.java:59)
at net.minecraft.client.multiplayer.WorldClient.func_73025_a(WorldClient.java:144)
at net.minecraft.client.network.NetHandlerPlayClient.func_147269_a(NetHandlerPlayClient.java:1191)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:184)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:242)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['QueenSis'/2923, l='MpServer', x=8.50, y=66.62, z=8.50]]
Chunk stats: MultiplayerChunkCache: 1, 1
Level seed: 0
Level generator: ID 04 - BIOMESOP, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-1033,64,1447), Chunk: (at 7,4,7 in -65,90; contains blocks -1040,0,1440 to -1025,255,1455), Region: (-3,2; contains chunks -96,64 to -65,95, blocks -1536,0,1024 to -1025,255,1535)
Level time: 0 game time, 0 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: 1 total; [EntityClientPlayerMP['QueenSis'/2923, l='MpServer', x=8.50, y=66.62, z=8.50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer 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:927)
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: 321904880 bytes (306 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 29, tcache: 0, allocated: 13, tallocated: 96
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 Optifine OptiFine_1.7.10_HD_U_C1 26 mods loaded, 26 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAAAA CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UCHIJAAAA NotEnoughItems{1.0.5.111} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.111-universal.jar)
UCHIJAAAA bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar)
UCHIJAAAA Treecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar)
UCHIJAAAA adventurebackpack{1.7.10-0.8b} [Adventure Backpack] (adventurebackpack-1.7.10-0.8c.jar)
UCHIJAAAA BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UCHIJAAAA BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1387-universal.jar)
UCHIJAAAA CarpentersBlocks{3.3.7} [Carpenter's Blocks] (Carpenter's Blocks v3.3.7 - MC 1.7.10.jar)
UCHIJAAAA CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip)
UCHIJAAAA PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA props{2.2.1} [Decocraft] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA doorsoplenty{0.1} [Doors o Plenty] (doorsoplenty-1.0.jar)
UCHIJAAAA MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip)
UCHIJAAAA exoticbirds{1.0} [Exotic Birds] (Exotic Birds 1.7.10 - 1.0.2c.jar)
UCHIJAAAA ftea{1.4c} [Flower Tea] (Flower Tea v1.4c [1.7.10].jar)
UCHIJAAAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAAAA MapWriter{2.1.5} [MapWriter] (MapWriter-1.7.10-2.1.6.jar)
UCHIJAAAA Morph{0.9.2} [Morph] (Morph-Beta-0.9.2.jar)
UCHIJAAAA cfm{3.4.8} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.8(1.7.10).jar)
UCHIJAAAA opalsplus{1.7.10.4} [Opalsplus] (opalsplus-1.7.10.4.jar)
UCHIJAAAA harvestcraft{1.7.10j} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10Lb.jar)
UCHIJAAAA TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCHIJAAAA Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
GL info: ' Vendor: 'Intel' Version: '4.0.0 - Build 10.18.10.4276' Renderer: 'Intel(R) HD Graphics 2500'
Launched Version: 1.7.10-Forge10.13.4.1558-1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 2500 GL version 4.0.0 - Build 10.18.10.4276, Intel
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)
java.lang.ArrayIndexOutOfBoundsException: 16
at com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
(func_149691_a is "getIcon", meaning that OpalsPlus may not be handling icons correctly. Of course, it could be MapWriter asking for something that it shouldn't.)
java.lang.ArrayIndexOutOfBoundsException: 16
at com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
(func_149691_a is "getIcon", meaning that OpalsPlus may not be handling icons correctly. Of course, it could be MapWriter asking for something that it shouldn't.)
I'll try fixing both of these tomorrow and see if it works. Thank you so much!
I'm getting the following crash report for Minecraft. I've tried reading it but not quite sure what the problem is. Thank you for any help!
---- Minecraft Crash Report ----
// Don't do that.
Time: 12/27/15 10:10 PM
Description: Unexpected error
java.lang.ArrayIndexOutOfBoundsException: 16
at com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:153)
at mapwriter.Mw.reloadBlockColours(Mw.java:402)
at mapwriter.Mw.load(Mw.java:515)
at mapwriter.Mw.onChunkLoad(Mw.java:649)
at mapwriter.forge.EventHandler.eventChunkLoad(EventHandler.java:25)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_154_EventHandler_eventChunkLoad_Load.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.multiplayer.ChunkProviderClient.func_73158_c(ChunkProviderClient.java:59)
at net.minecraft.client.multiplayer.WorldClient.func_73025_a(WorldClient.java:144)
at net.minecraft.client.network.NetHandlerPlayClient.func_147269_a(NetHandlerPlayClient.java:1191)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:184)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:242)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2061)
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 com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
at mapwriter.BlockColourGen.genBlockColours(BlockColourGen.java:153)
at mapwriter.Mw.reloadBlockColours(Mw.java:402)
at mapwriter.Mw.load(Mw.java:515)
at mapwriter.Mw.onChunkLoad(Mw.java:649)
at mapwriter.forge.EventHandler.eventChunkLoad(EventHandler.java:25)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_154_EventHandler_eventChunkLoad_Load.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.client.multiplayer.ChunkProviderClient.func_73158_c(ChunkProviderClient.java:59)
at net.minecraft.client.multiplayer.WorldClient.func_73025_a(WorldClient.java:144)
at net.minecraft.client.network.NetHandlerPlayClient.func_147269_a(NetHandlerPlayClient.java:1191)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:184)
at net.minecraft.network.play.server.S26PacketMapChunkBulk.func_148833_a(S26PacketMapChunkBulk.java:242)
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['QueenSis'/2923, l='MpServer', x=8.50, y=66.62, z=8.50]]
Chunk stats: MultiplayerChunkCache: 1, 1
Level seed: 0
Level generator: ID 04 - BIOMESOP, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-1033,64,1447), Chunk: (at 7,4,7 in -65,90; contains blocks -1040,0,1440 to -1025,255,1455), Region: (-3,2; contains chunks -96,64 to -65,95, blocks -1536,0,1024 to -1025,255,1535)
Level time: 0 game time, 0 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: 1 total; [EntityClientPlayerMP['QueenSis'/2923, l='MpServer', x=8.50, y=66.62, z=8.50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer 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:927)
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: 321904880 bytes (306 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 29, tcache: 0, allocated: 13, tallocated: 96
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 Optifine OptiFine_1.7.10_HD_U_C1 26 mods loaded, 26 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAAAA CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UCHIJAAAA NotEnoughItems{1.0.5.111} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.111-universal.jar)
UCHIJAAAA bspkrsCore{6.16} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.16.jar)
UCHIJAAAA Treecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar)
UCHIJAAAA adventurebackpack{1.7.10-0.8b} [Adventure Backpack] (adventurebackpack-1.7.10-0.8c.jar)
UCHIJAAAA BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UCHIJAAAA BiomesOPlenty{2.1.0} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.1.0.1387-universal.jar)
UCHIJAAAA CarpentersBlocks{3.3.7} [Carpenter's Blocks] (Carpenter's Blocks v3.3.7 - MC 1.7.10.jar)
UCHIJAAAA CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip)
UCHIJAAAA PTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA props{2.2.1} [Decocraft] (Decocraft-2.2.1_1.7.10.jar)
UCHIJAAAA doorsoplenty{0.1} [Doors o Plenty] (doorsoplenty-1.0.jar)
UCHIJAAAA MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip)
UCHIJAAAA exoticbirds{1.0} [Exotic Birds] (Exotic Birds 1.7.10 - 1.0.2c.jar)
UCHIJAAAA ftea{1.4c} [Flower Tea] (Flower Tea v1.4c [1.7.10].jar)
UCHIJAAAA iChunUtil{4.2.2} [iChunUtil] (iChunUtil-4.2.2.jar)
UCHIJAAAA MapWriter{2.1.5} [MapWriter] (MapWriter-1.7.10-2.1.6.jar)
UCHIJAAAA Morph{0.9.2} [Morph] (Morph-Beta-0.9.2.jar)
UCHIJAAAA cfm{3.4.8} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.8(1.7.10).jar)
UCHIJAAAA opalsplus{1.7.10.4} [Opalsplus] (opalsplus-1.7.10.4.jar)
UCHIJAAAA harvestcraft{1.7.10j} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10Lb.jar)
UCHIJAAAA TwilightForest{2.3.7} [The Twilight Forest] (twilightforest-1.7.10-2.3.7.jar)
UCHIJAAAA Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
GL info: ' Vendor: 'Intel' Version: '4.0.0 - Build 10.18.10.4276' Renderer: 'Intel(R) HD Graphics 2500'
Launched Version: 1.7.10-Forge10.13.4.1558-1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics 2500 GL version 4.0.0 - Build 10.18.10.4276, Intel
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)
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Curse PremiumCould also be OpalsPlus:
java.lang.ArrayIndexOutOfBoundsException: 16
at com.dcm.opalsplus.windows.Blockwindowm.func_149691_a(Blockwindowm.java:50)
(func_149691_a is "getIcon", meaning that OpalsPlus may not be handling icons correctly. Of course, it could be MapWriter asking for something that it shouldn't.)
I'll try fixing both of these tomorrow and see if it works. Thank you so much!
I updated MapWriter and that seems to have fixed the issue. Thank you again!