NEVERMIND found out i just needed to use forge launcher

-- Entity being checked for collision --
Details:
Entity Type: minecraft:player (net.minecraft.entity.player.ServerPlayerEntity)
Entity ID: 207
Entity Name: Fizziy
Entity's Exact location: -257.60, 70.75, -242.57
Entity's Block location: World: (-258,70,-243), Chunk: (at 14,4,13 in -17,-16; contains blocks -272,0,-256 to -257,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, -0.37, 0.00
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null

-- Player being ticked --
Details:
Entity Type: minecraft:player (net.minecraft.entity.player.ServerPlayerEntity)
Entity ID: 207
Entity Name: Fizziy
Entity's Exact location: -257.60, 70.75, -242.57
Entity's Block location: World: (-258,70,-243), Chunk: (at 14,4,13 in -17,-16; contains blocks -272,0,-256 to -257,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, -0.37, 0.00
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null

-- 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: 641333544 bytes (611 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -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-1.16.5-36.1.32.jar object_holder_definalize PLUGINSERVICE
/forge-1.16.5-36.1.32.jar runtime_enum_extender PLUGINSERVICE
/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE
/forge-1.16.5-36.1.32.jar capability_inject_definalize PLUGINSERVICE
/forge-1.16.5-36.1.32.jar runtimedistcleaner PLUGINSERVICE
/mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE
/OptiFine_1.16.5_HD_U_G8.jar OptiFine TRANSFORMATIONSERVICE
/forge-1.16.5-36.1.32.jar fml TRANSFORMATIONSERVICE
FML: 36.1
Forge: net.minecraftforge:36.1.32
FML Language Providers:
[email protected]
minecraft@1
Mod List:
forge-1.16.5-36.1.32-client.jar |Minecraft |minecraft |1.16.5 |DONE |Manifest: NOSIGNATURE
forge-1.16.5-36.1.32-universal.jar |Forge |forge |36.1.32 |DONE |Manifest: 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
curios-forge-1.16.5-4.0.5.2.jar |Curios API |curios |1.16.5-4.0.5.2 |DONE |Manifest: NOSIGNATURE
Atum-1.16.5-2.2.5.jar |Atum 2 |atum |1.16.5-2.2.5 |DONE |Manifest: NOSIGNATURE
Patchouli-1.16.4-53.jar |Patchouli |patchouli |1.16.4-53 |DONE |Manifest: NOSIGNATURE
jei-1.16.5-7.7.0.107.jar |Just Enough Items |jei |7.7.0.107 |DONE |Manifest: NOSIGNATURE
Crash Report UUID: 4886e7c6-60eb-436c-8c92-60505986727c
Patchouli open book context: n/a
Player Count: 1 / 8; [ServerPlayerEntity['Fizziy'/207, l='ServerLevel[New World]', x=-257.60, y=70.75, z=-242.57]]
Data Packs: vanilla, mod:forge, mod:curios, mod:atum, mod:patchouli (incompatible), mod:jei
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge'
OptiFine Version: OptiFine_1.16.5_HD_U_G8
OptiFine Build: 20210515-161946
Render Distance Chunks: 14
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: SEUS-Renewed-v1.0.1 (1).zip
OpenGlVersion: 4.6.0 NVIDIA 456.87
OpenGlRenderer: GeForce RTX 2060/PCIe/SSE2
OpenGlVendor: NVIDIA Corporation
CpuCount: 12

please tell me if there is any more info you need, or if there is something wrong