[22:05:46] [Server thread/FATAL]: Error executing task java.util.concurrent.ExecutionException: net.minecraft.util.ReportedException: Colliding entity with block    at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_152]    at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_152]    at net.minecraft.util.Util.runTask(Util.java:54) [Util.class:?]    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:796) [MinecraftServer.class:?]    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:741) [MinecraftServer.class:?]    at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) [IntegratedServer.class:?]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590) [MinecraftServer.class:?]    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152] Caused by: net.minecraft.util.ReportedException: Colliding entity with block    at net.minecraft.entity.Entity.move(Entity.java:1077) ~[Entity.class:?]    at net.minecraft.network.NetHandlerPlayServer.processPlayer(NetHandlerPlayServer.java:565) ~[NetHandlerPlayServer.class:?]    at net.minecraft.network.play.client.CPacketPlayer.processPacket(CPacketPlayer.java:36) ~[CPacketPlayer.class:?]    at net.minecraft.network.play.client.CPacketPlayer$Position.processPacket(CPacketPlayer.java:85) ~[CPacketPlayer$Position.class:?]    at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_152]    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_152]    at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]    ... 5 more Caused by: java.lang.NullPointerException    at net.minecraft.world.Teleporter.placeInExistingPortal(Teleporter.java:136) ~[Teleporter.class:?]    at net.minecraft.world.Teleporter.placeInPortal(Teleporter.java:39) ~[Teleporter.class:?]    at net.minecraft.server.management.PlayerList.transferEntityToWorld(PlayerList.java:748) ~[PlayerList.class:?]    at net.minecraft.server.management.PlayerList.transferPlayerToDimension(PlayerList.java:655) ~[PlayerList.class:?]    at net.minecraft.server.management.PlayerList.changePlayerDimension(PlayerList.java:642) ~[PlayerList.class:?]    at net.minecraft.entity.player.EntityPlayerMP.changeDimension(EntityPlayerMP.java:745) ~[EntityPlayerMP.class:?]    at mod.mcreator.mcreator_portalTP.executeProcedure(mcreator_portalTP.java:28) ~[mcreator_portalTP.class:?]    at mod.mcreator.mcreator_portal$BlockPortal.onEntityCollidedWithBlock(mcreator_portal.java:146) ~[mcreator_portal$BlockPortal.class:?]    at net.minecraft.entity.Entity.doBlockCollisions(Entity.java:1152) ~[Entity.class:?]    at net.minecraft.entity.Entity.move(Entity.java:1070) ~[Entity.class:?]    at net.minecraft.network.NetHandlerPlayServer.processPlayer(NetHandlerPlayServer.java:565) ~[NetHandlerPlayServer.class:?]    at net.minecraft.network.play.client.CPacketPlayer.processPacket(CPacketPlayer.java:36) ~[CPacketPlayer.class:?]    at net.minecraft.network.play.client.CPacketPlayer$Position.processPacket(CPacketPlayer.java:85) ~[CPacketPlayer$Position.class:?]    at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:21) ~[PacketThreadUtil$1.class:?]    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_152]    at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_152]    at net.minecraft.util.Util.runTask(Util.java:53) ~[Util.class:?]    ... 5 more [22:05:46] [Server thread/ERROR]: Encountered an unexpected exception net.minecraft.util.ReportedException: Colliding entity with block    at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:212) ~[NetworkSystem.class:?]    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:863) ~[MinecraftServer.class:?]    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:741) ~[MinecraftServer.class:?]    at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192) ~[IntegratedServer.class:?]    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590) [MinecraftServer.class:?]    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152] Caused by: java.lang.NullPointerException    at net.minecraft.world.Teleporter.placeInExistingPortal(Teleporter.java:136) ~[Teleporter.class:?]    at net.minecraft.world.Teleporter.placeInPortal(Teleporter.java:36) ~[Teleporter.class:?]    at net.minecraft.server.management.PlayerList.transferEntityToWorld(PlayerList.java:748) ~[PlayerList.class:?]    at net.minecraft.server.management.PlayerList.transferPlayerToDimension(PlayerList.java:655) ~[PlayerList.class:?]    at net.minecraft.server.management.PlayerList.changePlayerDimension(PlayerList.java:642) ~[PlayerList.class:?]    at net.minecraft.entity.player.EntityPlayerMP.changeDimension(EntityPlayerMP.java:745) ~[EntityPlayerMP.class:?]    at mod.mcreator.mcreator_portalTP.executeProcedure(mcreator_portalTP.java:28) ~[mcreator_portalTP.class:?]    at mod.mcreator.mcreator_portal$BlockPortal.onEntityCollidedWithBlock(mcreator_portal.java:146) ~[mcreator_portal$BlockPortal.class:?]    at net.minecraft.entity.Entity.doBlockCollisions(Entity.java:1152) ~[Entity.class:?]    at net.minecraft.entity.Entity.move(Entity.java:1070) ~[Entity.class:?]    at net.minecraft.entity.EntityLivingBase.travel(EntityLivingBase.java:2163) ~[EntityLivingBase.class:?]    at net.minecraft.entity.player.EntityPlayer.travel(EntityPlayer.java:1976) ~[EntityPlayer.class:?]    at net.minecraft.entity.EntityLivingBase.onLivingUpdate(EntityLivingBase.java:2614) ~[EntityLivingBase.class:?]    at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:577) ~[EntityPlayer.class:?]    at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2396) ~[EntityLivingBase.class:?]    at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:272) ~[EntityPlayer.class:?]    at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:423) ~[EntityPlayerMP.class:?]    at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:185) ~[NetHandlerPlayServer.class:?]    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:212) ~[NetworkDispatcher$1.class:?]    at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:307) ~[NetworkManager.class:?]    at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:197) ~[NetworkSystem.class:?]    ... 5 more [22:05:46] [Server thread/ERROR]: This crash report has been saved to: C:\Pylo\MCreator179\forge\run\.\crash-reports\crash-2018-06-28_22.05.46-server.txt [22:05:46] [Server thread/INFO]: Stopping server [22:05:46] [Server thread/INFO]: Saving players [22:05:46] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629 ---- Minecraft Crash Report ---- // But it works on my machine. Time: 6/28/18 10:05 PM Description: Colliding entity with block java.lang.NullPointerException: Colliding entity with block    at net.minecraft.world.Teleporter.placeInExistingPortal(Teleporter.java:136)    at net.minecraft.world.Teleporter.placeInPortal(Teleporter.java:36)    at net.minecraft.server.management.PlayerList.transferEntityToWorld(PlayerList.java:748)    at net.minecraft.server.management.PlayerList.transferPlayerToDimension(PlayerList.java:655)    at net.minecraft.server.management.PlayerList.changePlayerDimension(PlayerList.java:642)    at net.minecraft.entity.player.EntityPlayerMP.changeDimension(EntityPlayerMP.java:745)    at mod.mcreator.mcreator_portalTP.executeProcedure(mcreator_portalTP.java:28)    at mod.mcreator.mcreator_portal$BlockPortal.onEntityCollidedWithBlock(mcreator_portal.java:146)    at net.minecraft.entity.Entity.doBlockCollisions(Entity.java:1152)    at net.minecraft.entity.Entity.move(Entity.java:1070)    at net.minecraft.entity.EntityLivingBase.travel(EntityLivingBase.java:2163)    at net.minecraft.entity.player.EntityPlayer.travel(EntityPlayer.java:1976)    at net.minecraft.entity.EntityLivingBase.onLivingUpdate(EntityLivingBase.java:2614)    at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:577)    at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2396)    at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:272)    at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:423)    at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:185)    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:212)    at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:307)    at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:197)    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:863)    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:741)    at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192)    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590)    at java.lang.Thread.run(Thread.java:748) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Client thread Stacktrace:    at net.minecraft.world.Teleporter.placeInExistingPortal(Teleporter.java:136)    at net.minecraft.world.Teleporter.placeInPortal(Teleporter.java:36)    at net.minecraft.server.management.PlayerList.transferEntityToWorld(PlayerList.java:748)    at net.minecraft.server.management.PlayerList.transferPlayerToDimension(PlayerList.java:655)    at net.minecraft.server.management.PlayerList.changePlayerDimension(PlayerList.java:642)    at net.minecraft.entity.player.EntityPlayerMP.changeDimension(EntityPlayerMP.java:745)    at mod.mcreator.mcreator_portalTP.executeProcedure(mcreator_portalTP.java:28)    at mod.mcreator.mcreator_portal$BlockPortal.onEntityCollidedWithBlock(mcreator_portal.java:146) -- Block being collided with -- Details:    Block: testenvironmentmod:portal    Block location: World: (98,76,102), Chunk: (at 2,4,6 in 6,6; contains blocks 96,0,96 to 111,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Stacktrace:    at net.minecraft.entity.Entity.doBlockCollisions(Entity.java:1152) -- Entity being checked for collision -- Details:    Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)    Entity ID: 1437    Entity Name: Player992    Entity's Exact location: 98.00, 76.00, 103.00    Entity's Block location: World: (98,76,103), Chunk: (at 2,4,7 in 6,6; contains blocks 96,0,96 to 111,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)    Entity's Momentum: 0.00, 0.00, 0.00    Entity's Passengers: []    Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace:    at net.minecraft.entity.Entity.move(Entity.java:1070)    at net.minecraft.entity.EntityLivingBase.travel(EntityLivingBase.java:2163)    at net.minecraft.entity.player.EntityPlayer.travel(EntityPlayer.java:1976)    at net.minecraft.entity.EntityLivingBase.onLivingUpdate(EntityLivingBase.java:2614)    at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:577)    at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2396)    at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:272) -- Player being ticked -- Details:    Entity Type: null (net.minecraft.entity.player.EntityPlayerMP)    Entity ID: 1437    Entity Name: Player992    Entity's Exact location: 98.00, 76.00, 103.00    Entity's Block location: World: (98,76,103), Chunk: (at 2,4,7 in 6,6; contains blocks 96,0,96 to 111,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)    Entity's Momentum: 0.00, 0.00, 0.00    Entity's Passengers: []    Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace:    at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:423)    at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:185)    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:212)    at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:307) -- Ticking connection -- Details:    Connection: net.minecraft.network.NetworkManager@7a77f8c9 Stacktrace:    at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:197)    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:863)    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:741)    at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:192)    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:590)    at java.lang.Thread.run(Thread.java:748) -- System Details -- Details:    Minecraft Version: 1.12.2    Operating System: Windows 10 (amd64) version 10.0    Java Version: 1.8.0_152, Oracle Corporation    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation    Memory: 253848896 bytes (242 MB) / 974127104 bytes (929 MB) up to 1892155392 bytes (1804 MB)    JVM Flags: 0 total;     IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 12    FML: MCP 9.42 Powered by Forge 14.23.2.2611 5 mods loaded, 5 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 |    |:--------- |:------------------ |:------------ |:-------------------------------- |:--------- |    | UCHIJAAAA | minecraft          | 1.12.2       | minecraft.jar                    | None      |    | UCHIJAAAA | mcp                | 9.42         | minecraft.jar                    | None      |    | UCHIJAAAA | FML                | 8.0.99.99    | forgeSrc-1.12.2-14.23.2.2611.jar | None      |    | UCHIJAAAA | forge              | 14.23.2.2611 | forgeSrc-1.12.2-14.23.2.2611.jar | None      |    | UCHIJAAAA | testenvironmentmod | 1.0          | modid-1.0.jar                    | None      |    Loaded coremods (and transformers):     GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.    Profiler Position: N/A (disabled)    Player Count: 1 / 8; [EntityPlayerMP['Player992'/1437, l='New World', x=98.00, y=76.00, z=103.00]]    Type: Integrated Server (map_client.txt)    Is Modded: Definitely; Client brand changed to 'fml,forge' [22:05:46] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629 #@!@# Game crashed! Crash report saved to: #@!@# .\crash-reports\crash-2018-06-28_22.05.46-server.txt [22:05:46] [main/INFO] [FML]: Waiting for the server to terminate/save. [22:05:46] [Server thread/INFO]: Saving worlds [22:05:46] [Server thread/INFO]: Saving chunks for level 'New World'/overworld [22:05:46] [Server thread/INFO]: Saving chunks for level 'New World'/the_nether [22:05:46] [Server thread/INFO]: Saving chunks for level 'New World'/the_end [22:05:46] [Server thread/INFO]: Saving chunks for level 'New World'/dimension [22:05:46] [Server thread/INFO] [FML]: Unloading dimension 0 [22:05:46] [Server thread/INFO] [FML]: Unloading dimension -1 [22:05:46] [Server thread/INFO] [FML]: Unloading dimension 1 [22:05:46] [Server thread/INFO] [FML]: Unloading dimension 9 [22:05:46] [Server thread/INFO] [FML]: Applying holder lookups [22:05:46] [Server thread/INFO] [FML]: Holder lookups applied [22:05:46] [Server thread/INFO] [FML]: The state engine was in incorrect state SERVER_STOPPING and forced into state SERVER_STOPPED. Errors may have been discarded. [22:05:46] [main/INFO] [FML]: Server terminated. AL lib: (EE) alc_cleanup: 1 device not closed :runClient FAILED FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':runClient'. > Process 'command 'C:\Pylo\MCreator179\jdk\bin\java.exe'' finished with non-zero exit value -1 * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. BUILD FAILED Total time: 2 mins 8.485 secs C:\Pylo\MCreator179\forge> Task completed with return code 0 in 129013 milliseconds