I could always enter servers, but something really strange happened today. When I entered the server, I was suddently disconnected because of the error's: JIRA issues: Mc -103978 and Mc -103981. This error occured while rendering the world. Does anyone know how to fix this error. The whole error:

---- Minecraft Crash Report ----
// Oops.

Time: 23-6-16 14:25
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:end_portal
Block coordinates: World: (-457,1,-539), Chunk: (at 7,0,5 in -29,-34; contains blocks -464,0,-544 to -449,255,-529), Region: (-1,-2; contains chunks -32,-64 to -1,-33, blocks -512,0,-1024 to -1,255,-513)

– Affected level –
Details:
Level name: MpServer
All players: 5 total; [bnn['berend1000'/5227224, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['Lowstaz'/5137867, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['jessica_j_m'/72739, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['GEN00'/5227651, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['xx_ramos0912_xx'/5227990, l='MpServer', x=-427,50, y=9,00, z=-526,50]]
Chunk stats: MultiplayerChunkCache: 570, 570
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-413,4,-525), Chunk: (at 3,0,3 in -26,-33; contains blocks -416,0,-528 to -401,255,-513), Region: (-1,-2; contains chunks -32,-64 to -1,-33, blocks -512,0,-1024 to -1,255,-513)
Level time: 67498356 game time, 8000 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: 29 total; [bnn['berend1000'/5227224, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['Lowstaz'/5137867, l='MpServer', x=-427,50, y=8,00, z=-526,50], xz['entity.ItemFrame.name'/3, l='MpServer', x=-436,97, y=9,50, z=-518,50], xz['entity.ItemFrame.name'/4, l='MpServer', x=-436,97, y=8,50, z=-518,50], bno['Lowstaz'/5137867, l='MpServer', x=-427,50, y=8,00, z=-526,50], xz['entity.ItemFrame.name'/5, l='MpServer', x=-436,97, y=7,50, z=-518,50], bno['jessica_j_m'/72739, l='MpServer', x=-427,50, y=8,00, z=-526,50], xz['entity.ItemFrame.name'/6, l='MpServer', x=-436,97, y=9,50, z=-519,50], xz['entity.ItemFrame.name'/7, l='MpServer', x=-436,97, y=8,50, z=-519,50], xz['entity.ItemFrame.name'/8, l='MpServer', x=-436,97, y=7,50, z=-519,50], xz['entity.ItemFrame.name'/9, l='MpServer', x=-436,97, y=9,50, z=-520,50], xz['entity.ItemFrame.name'/10, l='MpServer', x=-436,97, y=8,50, z=-520,50], xz['entity.ItemFrame.name'/11, l='MpServer', x=-436,97, y=7,50, z=-520,50], xz['entity.ItemFrame.name'/12, l='MpServer', x=-436,97, y=9,50, z=-521,50], bno['GEN00'/5227651, l='MpServer', x=-427,50, y=8,00, z=-526,50], xz['entity.ItemFrame.name'/13, l='MpServer', x=-436,97, y=8,50, z=-521,50], xz['entity.ItemFrame.name'/14, l='MpServer', x=-436,97, y=7,50, z=-521,50], xz['entity.ItemFrame.name'/15, l='MpServer', x=-436,97, y=9,50, z=-522,50], xz['entity.ItemFrame.name'/16, l='MpServer', x=-436,97, y=8,50, z=-522,50], xz['entity.ItemFrame.name'/17, l='MpServer', x=-436,97, y=7,50, z=-522,50], wd['Kip'/18, l='MpServer', x=-402,69, y=6,31, z=-559,34], wd['Kip'/19, l='MpServer', x=-402,34, y=6,31, z=-559,69], xx['§b§lParkour Challenge'/21, l='MpServer', x=-419,09, y=9,03, z=-518,16], xx['§7§oKeep to the track'/22, l='MpServer', x=-419,09, y=8,78, z=-518,16], xx['§7§o/parkour top'/23, l='MpServer', x=-419,09, y=8,53, z=-518,16], xx['????'/24, l='MpServer', x=-419,09, y=8,28, z=-518,16], bno['xx_ramos0912_xx'/5227990, l='MpServer', x=-427,50, y=9,00, z=-526,50], bno['jessica_j_m'/72739, l='MpServer', x=-427,50, y=8,00, z=-526,50], bno['xx_ramos0912_xx'/5227990, l='MpServer', x=-427,50, y=9,00, z=-526,50]]
Retry entities: 0 total; []
Server brand: BungeeCord (git:BungeeCord-Bootstrap:1.10-SNAPSHOT:e4cf010:1158) <- 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: 125185368 bytes (119 MB) / 283877376 bytes (270 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: Nederlands (Nederland)
Profiler Position: N/A (disabled)
CPU: 2x Intel(R) Celeron(R) CPU G1610 @ 2.60GHz