Errors when trying to change dimension (2021.1)

Hey when I try changing to a dimension I made it brings up a lot of errors; this happens with the change dimension block and just trying to go through the portal itself

20:59.18 [Server thread/FATAL] [minecraft/ThreadTaskExecutor]: Error executing task on Server
net.minecraft.crash.ReportedException: Colliding entity with block
at net.minecraft.entity.Entity.move(Entity.java:655) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.network.play.ServerPlayNetHandler.processPlayer(ServerPlayNetHandler.java:849) ~[forge:?] {re:classloading}
at net.minecraft.network.play.client.CPlayerPacket.processPacket(CPlayerPacket.java:32) ~[forge:?] {re:classloading}
at net.minecraft.network.play.client.CPlayerPacket$PositionPacket.processPacket(CPlayerPacket.java:73) ~[forge:?] {re:classloading}
at net.minecraft.network.PacketThreadUtil.lambda$checkThreadAndEnqueue$0(PacketThreadUtil.java:19) ~[forge:?] {re:classloading}
at net.minecraft.util.concurrent.TickDelayedTask.run(TickDelayedTask.java:20) ~[forge:?] {re:classloading}
at net.minecraft.util.concurrent.ThreadTaskExecutor.run(ThreadTaskExecutor.java:139) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.util.concurrent.RecursiveEventLoop.run(RecursiveEventLoop.java:22) ~[forge:?] {re:classloading}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:758) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:159) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.util.concurrent.ThreadTaskExecutor.driveOne(ThreadTaskExecutor.java:109) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.driveOneInternal(MinecraftServer.java:741) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.driveOne(MinecraftServer.java:735) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.util.concurrent.ThreadTaskExecutor.driveUntil(ThreadTaskExecutor.java:122) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.runScheduledTasks(MinecraftServer.java:721) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:667) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.lambda$startServer$0(MinecraftServer.java:233) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275] {}
Caused by: java.lang.NullPointerException
at net.minecraft.entity.player.ServerPlayerEntity.changeDimension(ServerPlayerEntity.java:650) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.trumpcraft.world.dimension.MURICADimension$CustomPortalBlock.teleportToDimension(MURICADimension.java:212) ~[?:?] {re:classloading}
at net.trumpcraft.world.dimension.MURICADimension$CustomPortalBlock.onEntityCollision(MURICADimension.java:203) ~[?:?] {re:classloading}
at net.minecraft.block.AbstractBlock$AbstractBlockState.onEntityCollision(AbstractBlock.java:718) ~[forge:?] {re:classloading}
at net.minecraft.entity.Entity.doBlockCollisions(Entity.java:905) ~[forge:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.entity.Entity.move(Entity.java:650) ~[forge:?] {re:classloading,pl:accesstransformer:B}