I was able to access servers about 12 hours ago. Nothing changed on my computer that I am aware of, so how did this happen? I couldn't find my crash report to attach below, so I am adding it to the end of the description.

---- Minecraft Crash Report ----
// Don't do that.

Time: 6/22/16 11:45 AM
Description: Server forgot to send required information to construct BlockEntity

java.lang.RuntimeException: Missing BlockEntity
at bqy.b(SourceFile:162)
at bqu.a(SourceFile:100)
at bqu.run(SourceFile:43)
at java.lang.Thread.run(Thread.java:745)

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

– BlockEntity missing instance data –
Details:
BlockState: minecraft:noteblock
Block coordinates: World: (65,53,-225), Chunk: (at 1,3,15 in 4,-15; contains blocks 64,0,-240 to 79,255,-225), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bnn['CarnivorousCake'/571400, l='MpServer', x=110.57, y=49.00, z=-216.03]]
Chunk stats: MultiplayerChunkCache: 169, 169
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (0,44,0), Chunk: (at 0,2,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 132656168 game time, 154750 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: adventure (ID 2). Hardcore: false. Cheats: false
Forced entities: 1 total; [bnn['CarnivorousCake'/571400, l='MpServer', x=110.37, y=49.00, z=-216.05]]
Retry entities: 0 total; []
Server brand: BeeCord (1.7.x, 1.8.x, 1.9.x, 1.10.x) <- Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at bln.a(SourceFile:364)
at bcx.b(SourceFile:2535)
at bqu.run(SourceFile:49)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 1.10.1
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: 85989888 bytes (82 MB) / 242565120 bytes (231 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: 0, tallocated: 0
Launched Version: 1.10.1
LWJGL: 2.9.4
OpenGL: ~_ERROR~ RuntimeException: No OpenGL context found in the current thread.
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: No
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)
CPU: 4x AMD A10-4600M APU with Radeon(tm) HD Graphics