Help

can anyone please help me with this?
i have installed an mod for minecraft 1.16.5 and the mods name is ttigraas from the anime that time i got reincarnated as a slime


---- Minecraft Crash Report ----
// Shall we play a game?

Time: 4/07/21 15:57
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) [?:?] {re:classloading}
at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:508) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft$$Lambda$4295/1759805433.run(Unknown Source) [?:?] {}
at net.minecraft.util.Util.func_215077_a(SourceFile:404) [?:?] {re:classloading}
at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft$$Lambda$4087/1157246451.accept(Unknown Source) [?:?] {}
at net.minecraft.client.gui.ResourceLoadProgressGui.func_230430_a_(ResourceLoadProgressGui.java:113) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:480) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:976) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.0.1.jar:36.0] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$433/1902455960.call(Unknown Source) [forge-1.16.5-36.0.1.jar:36.0] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}


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

-- Head --
Thread: Render thread
Stacktrace:
at net.minheragon.ttigraas.world.biome.SakuraForestBiome$BiomeRegisterHandler.registerBiomes(SakuraForestBiome.java:87) ~[?:?] {re:classloading,pl:eventbus:A}
-- MOD ttigraas --
Details:
Mod File: TTIGRAAS+BETA+v.1.2.1.jar
Failure message: TTIGRAAS (ttigraas) encountered an error during the load_registries event phase
java.lang.NullPointerException: null
Mod Version: 1.2.1
Mod Issue URL: NOT PROVIDED
Exception message: java.lang.NullPointerException
Stacktrace:
at net.minheragon.ttigraas.world.biome.SakuraForestBiome$BiomeRegisterHandler.registerBiomes(SakuraForestBiome.java:87) ~[?:?] {re:classloading,pl:eventbus:A}
at net.minecraftforge.eventbus.ASMEventHandler_17_BiomeRegisterHandler_registerBiomes_Register.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus$$Lambda$2529/841747115.invoke(Unknown Source) ~[?:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:120) ~[?:36.0] {re:classloading}
at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:121) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModContainer$$Lambda$3119/1332150216.run(Unknown Source) ~[?:?] {}
at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1618) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.ModWorkManager$SyncExecutor.driveOne(ModWorkManager.java:56) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModWorkManager$DrivenExecutor.drive(ModWorkManager.java:40) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.waitForTransition(ModLoader.java:243) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.dispatchAndHandleError(ModLoader.java:230) ~[?:?] {re:classloading}
at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:196) ~[?:?] {re:classloading}
at net.minecraftforge.fml.client.ClientModLoader.lambda$begin$1(ClientModLoader.java:103) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraftforge.fml.client.ClientModLoader$$Lambda$2932/1973491942.run(Unknown Source) ~[?:?] {}
at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:123) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraftforge.fml.client.ClientModLoader$$Lambda$2933/492045670.run(Unknown Source) ~[?:?] {}
at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:103) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.<init>(Minecraft.java:437) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:149) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.0.1.jar:36.0] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$433/1902455960.call(Unknown Source) [forge-1.16.5-36.0.1.jar:36.0] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}


-- System Details --
Details:
Minecraft Version: 1.16.5
Minecraft Version ID: 1.16.5
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 2711211272 bytes (2585 MB) / 3221225472 bytes (3072 MB) up to 3221225472 bytes (3072 MB)
CPUs: 4
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
ModLauncher: 8.0.9+86+master.3cf110c
ModLauncher launch target: fmlclient
ModLauncher naming: srg
ModLauncher services:
/mixin-0.8.2.jar mixin PLUGINSERVICE
/eventbus-4.0.0.jar eventbus PLUGINSERVICE
/forge-1.16.5-36.0.1.jar object_holder_definalize PLUGINSERVICE
/forge-1.16.5-36.0.1.jar runtime_enum_extender PLUGINSERVICE
/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE
/forge-1.16.5-36.0.1.jar capability_inject_definalize PLUGINSERVICE
/forge-1.16.5-36.0.1.jar runtimedistcleaner PLUGINSERVICE
/mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE
/forge-1.16.5-36.0.1.jar fml TRANSFORMATIONSERVICE
FML: 36.0
Forge: net.minecraftforge:36.0.1
FML Language Providers:
javafml@36.0
minecraft@1
Mod List:
forge-1.16.5-36.0.1-client.jar |Minecraft |minecraft |1.16.5 |COMMON_SET|NOSIGNATURE
forge-1.16.5-36.0.1-universal.jar |Forge |forge |36.0.1 |COMMON_SET|22:af:21:d8:19:82:7f:93:94:fe:2b:ac:b7:e4:41:57:68:39:87:b1:a7:5c:c6:44:f9:25:74:21:14:f5:0d:90
TTIGRAAS+BETA+v.1.2.1.jar |TTIGRAAS |ttigraas |1.2.1 |VALIDATE |NOSIGNATURE
Crash Report UUID: 81608ba7-6e45-4e26-8160-59d10ebe3c08