Only raining trigger this bug, after I removed the raining song everything was working fine

Description: Unexpected error

java.lang.NullPointerException: Cannot read field "f_120146_" because the return value of "java.util.Map.get(Object)" is null
at mods.thecomputerizer.musictriggers.client.MusicPlayer.onTick(MusicPlayer.java:439) ~[musictriggers-1.18.2-5.4.jar%23116!/:1.18.2-5.4] {re:mixin,re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_54_MusicPlayer_onTick_ClientTickEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-5.0.3.jar%232!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-5.0.3.jar%232!/:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-5.0.3.jar%232!/:?] {}
at net.minecraftforge.event.ForgeEventFactory.onPreClientTick(ForgeEventFactory.java:902) ~[forge-1.18.2-40.1.0-universal.jar%23141!/:?] {re:mixin,re:classloading}
at net.minecraft.client.Minecraft.m_91398_(Minecraft.java:1614) ~[client-1.18.2-20220404.173914-srg.jar%23137!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:chat_heads.mixins.json:MinecraftMixin,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1019) ~[client-1.18.2-20220404.173914-srg.jar%23137!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:chat_heads.mixins.json:MinecraftMixin,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:663) ~[client-1.18.2-20220404.173914-srg.jar%23137!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:chat_heads.mixins.json:MinecraftMixin,pl:mixin:APP:fancymenu.general.mixin.json:MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(Main.java:205) ~[client-1.18.2-20220404.173914-srg.jar%23137!/:?] {re:classloading,pl:runtimedistcleaner:A}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:31) ~[fmlloader-1.18.2-40.1.0.jar%2316!/:?] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.3.jar%235!/:?] {}
at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}

Are you sure the song name was correct and that there was a file to match?

oops. I saw the problem,thank you!