I am trying to log onto a server and download the texture pack. I get this bug report.

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 6/11/15 10:06 AM
Description: Updating screen events

java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545)
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521)
at bnm.i(SourceFile:218)
at bnm.a(SourceFile:184)
at bcy$3$1.a(SourceFile:1233)
at awy.a(SourceFile:50)
at axu.a(SourceFile:350)
at axu.k(SourceFile:413)
at axu.p(SourceFile:390)
at ave.s(SourceFile:1497)
at ave.av(SourceFile:888)
at ave.a(SourceFile:325)
at net.minecraft.client.main.Main.main(SourceFile:124)

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

– Head –
Stacktrace:
at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545)
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521)
at bnm.i(SourceFile:218)
at bnm.a(SourceFile:184)
at bcy$3$1.a(SourceFile:1233)
at awy.a(SourceFile:50)
at axu.a(SourceFile:350)
at axu.k(SourceFile:413)
at axu.p(SourceFile:390)

– Affected screen –
Details:
Screen name: awy

– Affected level –
Details:
Level name: MpServer
All players: 3 total; [bew['LordN'/17419, l='MpServer', x=1012.50, y=45.00, z=1100.50], bex['Lavalampkap'/12973, l='MpServer', x=1019.28, y=76.50, z=1100.44], bex['SimonLee0525'/13081, l='MpServer', x=1045.50, y=41.00, z=1099.53]]
Chunk stats: MultiplayerChunkCache: 211, 211
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: 983.00,45.00,1107.00 - World: (983,45,1107), Chunk: (at 7,2,3 in 61,69; contains blocks 976,0,1104 to 991,255,1119), Region: (1,2; contains chunks 32,64 to 63,95, blocks 512,0,1024 to 1023,255,1535)
Level time: 8929606 game time, 3276278 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: 32 total; [bew['LordN'/17419, l='MpServer', x=1012.50, y=45.00, z=1100.50], uo['entity.ItemFrame.name'/82, l='MpServer', x=984.50, y=49.50, z=1082.03], uo['entity.ItemFrame.name'/83, l='MpServer', x=987.50, y=49.50, z=1082.03], uo['entity.ItemFrame.name'/84, l='MpServer', x=983.50, y=49.50, z=1082.03], uo['entity.ItemFrame.name'/85, l='MpServer', x=982.50, y=48.50, z=1087.97], uo['entity.ItemFrame.name'/86, l='MpServer', x=986.50, y=49.50, z=1082.03], we['§6§lGal Dundy'/87, l='MpServer', x=985.50, y=48.00, z=1085.41], uo['entity.ItemFrame.name'/88, l='MpServer', x=982.50, y=48.50, z=1090.03], uo['entity.ItemFrame.name'/89, l='MpServer', x=981.03, y=47.50, z=1129.50], bex['SimonLee0525'/13081, l='MpServer', x=1045.50, y=41.00, z=1099.53], uq['Painting'/108, l='MpServer', x=1006.50, y=54.00, z=1095.03], uq['Painting'/109, l='MpServer', x=1005.00, y=54.00, z=1095.03], um['Armor Stand'/92, l='MpServer', x=983.50, y=47.00, z=1130.50], uq['Painting'/116, l='MpServer', x=1008.00, y=54.00, z=1095.03], we['§6§lGeene McQueen'/93, l='MpServer', x=985.31, y=47.00, z=1130.66], bex['Lavalampkap'/12973, l='MpServer', x=1019.28, y=76.50, z=1100.44], uo['entity.ItemFrame.name'/95, l='MpServer', x=990.97, y=49.50, z=1131.50], uo['entity.ItemFrame.name'/96, l='MpServer', x=990.97, y=49.50, z=1132.50], um['Armor Stand'/99, l='MpServer', x=988.50, y=51.00, z=1134.50], bex['SimonLee0525'/13081, l='MpServer', x=1045.50, y=41.00, z=1099.53], um['Armor Stand'/102, l='MpServer', x=987.50, y=50.00, z=1134.50], wa['§6§lMajora the Mute'/107, l='MpServer', x=993.50, y=48.00, z=1087.34], uq['Painting'/108, l='MpServer', x=1006.50, y=54.00, z=1095.03], uq['Painting'/109, l='MpServer', x=1005.00, y=54.00, z=1095.03], bex['Lavalampkap'/12973, l='MpServer', x=1019.28, y=76.50, z=1100.44], wa['§6§lEugene'/110, l='MpServer', x=999.56, y=47.00, z=1110.53], wi['§6§lEric Thunderbluff'/111, l='MpServer', x=999.56, y=47.00, z=1119.50], uo['entity.ItemFrame.name'/112, l='MpServer', x=1000.50, y=49.50, z=1113.97], uo['entity.ItemFrame.name'/113, l='MpServer', x=1002.50, y=49.50, z=1113.97], uo['entity.ItemFrame.name'/114, l='MpServer', x=999.50, y=49.50, z=1113.97], uo['entity.ItemFrame.name'/115, l='MpServer', x=1001.50, y=49.50, z=1113.97], uq['Painting'/116, l='MpServer', x=1008.00, y=54.00, z=1095.03]]
Retry entities: 0 total; []
Server brand: BungeeCord (git:BungeeCord-Bootstrap:1.8-SNAPSHOT:"3973c51":1055) <- Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at bdb.a(SourceFile:309)
at ave.b(SourceFile:2293)
at ave.a(SourceFile:334)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.8.7
Operating System: Windows 7 (amd64) version 6.1
CPU: 6x AMD FX(tm)-6300 Six-Core Processor
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 124184912 bytes (118 MB) / 390946816 bytes (372 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
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 1.8.7
LWJGL: 2.9.4
OpenGL: GeForce GTX 750 Ti/PCIe/SSE2 GL version 4.5.0 NVIDIA 352.86, 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: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)