[MC-192186] my forge minecraft for 1.15.2 (it said theres no 1.15.2 so i put 1.16) keeps crashing and i dunno what to do

this is the crash report
---- Minecraft Crash Report ----
// Don't do that.
Time: 6/26/20 12:43 PM
Description: Initializing game
java.lang.NullPointerException: Initializing game
at vazkii.botania.common.item.brew.ItemIncenseStick.func_77624_a(ItemIncenseStick.java:66) ~[?:r1.15-386] {re:classloading}
at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:562) ~[?:?] {re:classloading,xf:fml:quark:add-spacing-for-stack}
at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$8(Minecraft.java:582) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft$$Lambda$3850/557424211.apply(Unknown Source) ~[?:?] {}
at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:36) ~[?:?] {re:classloading}
at net.minecraft.client.util.SearchTreeReloadable.func_217872_a(SourceFile:48) ~[?:?] {re:classloading}
at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$11(Minecraft.java:600) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft$$Lambda$3870/686850477.accept(Unknown Source) ~[?:?] {}
at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_51] {}
at net.minecraft.client.Minecraft.func_193986_ar(Minecraft.java:599) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.Minecraft.<init>(Minecraft.java:434) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.client.main.Main.main(SourceFile:166) [?:?] {re:classloading}
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.15.2-31.2.27.jar:31.2] {}
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$423/1907178890.call(Unknown Source) [forge-1.15.2-31.2.27.jar:31.2] {}
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-5.1.0.jar:?] {}
at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-5.1.0.jar:?] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
– Head –
Thread: Render thread
Stacktrace:
at vazkii.botania.common.item.brew.ItemIncenseStick.func_77624_a(ItemIncenseStick.java:66)
at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:562)
at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$8(Minecraft.java:582)
at net.minecraft.client.Minecraft$$Lambda$3850/557424211.apply(Unknown Source)
at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:36)
at net.minecraft.client.util.SearchTreeReloadable.func_217872_a(SourceFile:48)
at net.minecraft.client.Minecraft.lambda$populateSearchTreeManager$11(Minecraft.java:600)
at net.minecraft.client.Minecraft$$Lambda$3870/686850477.accept(Unknown Source)
at java.lang.Iterable.forEach(Iterable.java:75)
at net.minecraft.client.Minecraft.func_193986_ar(Minecraft.java:599)
at net.minecraft.client.Minecraft.<init>(Minecraft.java:434)
– Initialization –
Details:
Stacktrace:
at net.minecraft.client.main.Main.main(SourceFile:166)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51)
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$423/1907178890.call(Unknown Source)
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
– System Details –
Details:
Minecraft Version: 1.15.2
Minecraft Version ID: 1.15.2
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: 4010692336 bytes (3824 MB) / 5368709120 bytes (5120 MB) up to 5368709120 bytes (5120 MB)
CPUs: 4
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx5G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
ModLauncher: 5.1.0+69+master.79f13f7
ModLauncher launch target: fmlclient
ModLauncher naming: srg
ModLauncher services:
  /eventbus-2.2.0-service.jar eventbus PLUGINSERVICE
  /forge-1.15.2-31.2.27.jar object_holder_definalize PLUGINSERVICE
  /forge-1.15.2-31.2.27.jar runtime_enum_extender PLUGINSERVICE
  /accesstransformers-2.1.1-shadowed.jar accesstransformer PLUGINSERVICE
  /forge-1.15.2-31.2.27.jar capability_inject_definalize PLUGINSERVICE
  /forge-1.15.2-31.2.27.jar runtimedistcleaner PLUGINSERVICE
  /forge-1.15.2-31.2.27.jar fml TRANSFORMATIONSERVICE
FML: 31.2
Forge: net.minecraftforge:31.2.27
FML Language Providers:
  javafml@31.2
  minecraft@1
Mod List:
  forge-1.15.2-31.2.27-client.jar Minecraft {minecraft@1.15.2 LOAD_REGISTRIES}
  BiomesOPlenty-1.15.2-10.0.0.363-universal.jar Biomes O' Plenty {biomesoplenty@1.15.2-10.0.0.363 LOAD_REGISTRIES}
  ironfurnaces-1.15.2-2.0.3.jar Iron Furnaces {ironfurnaces@2.0.3 LOAD_REGISTRIES}
  pamhc2crops-1.15.2-1.0.5.jar Pam's HarvestCraft 2 Crops {pamhc2crops@version LOAD_REGISTRIES}
  simplefarming-1.15.2-1.2.9.jar Simple Farming {simplefarming@1.15.2-1.2.9 LOAD_REGISTRIES}
  FallingTree-1.15.2-2.1.4.jar Falling Tree {falling_tree@2.1.4 LOAD_REGISTRIES}
  Abnormals-Core-1.15.2-1.0.6.jar Abnormals Core {abnormals_core@1.0.6 LOAD_REGISTRIES}
  mcw-windows-1.0.1-mc1.15.2_1.15.1.jar Macaw's Windows {mcwwindows@1.0.1 LOAD_REGISTRIES}
  flower-breeding-1.15.2-1.4.jar Lizzie's Flower Breeding {acmc@1.0 LOAD_REGISTRIES}
  reap-1.12.4.jar Reap Mod {reap@1.12.4 LOAD_REGISTRIES}
  Bloomful-1.15.2-1.4.1.jar Bloomful {bloomful@NONE LOAD_REGISTRIES}
  curios-FORGE-1.15.2-2.0.2.4.jar Curios API {curios@FORGE-1.15.2-2.0.2.4 LOAD_REGISTRIES}
  Botania-r1.15-386.jar Botania {botania@r1.15-386 LOAD_REGISTRIES}
  Patchouli-1.15.2-1.2-34.jar Patchouli {patchouli@1.15.2-1.2-34 LOAD_REGISTRIES}
  Waystones_1.15.2-6.0.1.jar Waystones {waystones@6.0.1 LOAD_REGISTRIES}
  Placebo-1.15.2-3.0.2.jar Placebo {placebo@3.0.2 LOAD_REGISTRIES}
  comforts-FORGE-1.15.2-2.0.0.3.jar Comforts {comforts@FORGE-1.15.2-2.0.0.3 LOAD_REGISTRIES}
  AutoRegLib-1.5-40.jar AutoRegLib {autoreglib@1.5-40 LOAD_REGISTRIES}
  NaturesCompass-1.15.2-1.8.5.jar Nature's Compass {naturescompass@1.15.2-1.8.5 LOAD_REGISTRIES}
  FastFurnace-1.15.1-3.0.0.jar FastFurnace {fastfurnace@3.0.0 LOAD_REGISTRIES}
  TinyMobFarm-1.15.2-1.0.6.1.jar Tiny Mob Farm {tinymobfarm@1.0.6 LOAD_REGISTRIES}
  cc-tweaked-1.15.2-1.89.1.jar CC: Tweaked {computercraft@1.89.1 LOAD_REGISTRIES}
  XL-Food-Mod-1.15.2-2.2.2.jar XL Food Mod {xlfoodmod@2.2.2 LOAD_REGISTRIES}
  forge-1.15.2-31.2.27-universal.jar Forge {forge@31.2.27 LOAD_REGISTRIES}
  Quark-r2.1-245.jar Quark {quark@r2.1-245 LOAD_REGISTRIES}
  Aquaculture-1.15.2-2.0.15.jar Aquaculture 2 {aquaculture@1.15.2-2.0.15 LOAD_REGISTRIES}
  FastLeafDecay-v22.jar FastLeafDecay {fastleafdecay@v22 LOAD_REGISTRIES}
  ironchest-1.14.4-9.1.5.jar Iron Chests {ironchest@1.14.3-9.0.3 ERROR}
  Cyclic-1.15.2-0.4.2.jar Cyclic {cyclic@1.15.2-0.4.2 LOAD_REGISTRIES}
Launched Version: 1.15.2-forge-31.2.27
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel(R) HD Graphics 530 GL version 4.6.0 - Build 26.20.100.7757, Intel
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'forge'
please help T^T
Type: Client (map_client.txt)
CPU: 4x Intel(R) Core(TM) i5-6500T CPU @ 2.50GHz