I was wondering if anyone knew why i was having this issue with imp? This was the error line.
Could not execute entrypoint stage 'client' due to errors, provided by 'imm_ptl_core'!
at net.fabricmc.loader.entrypoint.minecraft.hooks.EntrypointUtils.invoke0(EntrypointUtils.java:53)

These are my mods. adorn: Adorn 1.12.2+1.16.4
adventurez: AdventureZ 1.1.5
amecsapi: Amecs API 1.1.1+mc1.16-rc1
angerable-patch: Angerable Patch 1.1.0-1.16.4
artifacts: Artifacts 2.1.0+1.16.4-fabric
autoconfig1u: Auto Config v1 Updated 3.3.1
autoconfigtoml: AutoConfig-TOML 1.0.0-fabric
bedspreads: Bedspreads 1.3.1-1.16.4
betterend: Better End 0.8.8-beta
bettergraves: Better Graves 0.4.1
betternether: Better Nether 5.0.4
blockshifter: Blockshifter 1.3.2+fabric-1.16.4
blockus: Blockus 2.0.2+1.16.4
blue_endless_jankson: jankson 1.2.0
blur: Blur (Fabric) 2.0.0
byg: BYG 1.1.3
campanion: Campanion 1.3.1+build.51
can-i-mine-this-block: cAn i MiNe thIS bLOCk? 1.0.2
cardinal-components-base: Cardinal Components API (base) 2.7.9
cardinal-components-entity: Cardinal Components API (entities) 2.7.9
cardinal-components-item: Cardinal Components API (items) 2.7.9
carrier: Carrier 1.6.1
chainmail: Chainmail 0.5.0
cherishedworlds: Cherished Worlds 1.3.0-1.16.4
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.4.5
cloth-config2: Cloth Config v4 4.8.3
com_electronwill_night-config_core: core 3.6.3
com_electronwill_night-config_toml: toml 3.6.3
couplings: Couplings 1.3.3
crookedcrooks: Crooked Crooks 1.3.3+1.16.4
crusade: Crusade 1.2.0
dankstorage: Dank Storage 1.9a-1.16.3
diggusmaximus: Diggus Maximus 1.4.2-1.16.3
disable_custom_worlds_advice: Disable Custom Worlds Advice 1.2
dynamicfps: Dynamic FPS 1.2.1
editsign: Edit Sign 2.2.0
eggtab: Egg Tab 2.1.0+1.16-fabric
expandedstorage: ExpandedStorage 5.6.31
extraalchemy: Extra Alchemy 1.3.1
fabric: Fabric API 0.29.3+1.16
fabric-api-base: Fabric API Base 0.2.0+ab87788d3a
fabric-biome-api-v1: Fabric Biome API (v1) 3.1.0+2e23b97c3a
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.4+6a2618f53a
fabric-command-api-v1: Fabric Command API (v1) 1.0.9+6a2618f53a
fabric-commands-v0: Fabric Commands (v0) 0.2.1+cbe9176f3a
fabric-containers-v0: Fabric Containers (v0) 0.1.9+a03e98793a
fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.0+e77439c73a
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.2+b7f9825d3a
fabric-dimensions-v1: fabric-dimensions-v1 2.0.1+9a6c75813a
fabric-entity-events-v1: Fabric Entity Events (v1) 1.0.2+8004b36d3a
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.1+6a2618f53a
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.0+16acbe5ba7
fabric-furnaces: Fabric Furnaces 1.3.3-1.16.4
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.5+cbe9176f3a
fabric-item-api-v1: Fabric Item API (v1) 1.2.0+6a2618f53a
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.2+cbe9176f3a
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.1+730711c63a
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.0+6a2618f53a
fabric-language-kotlin: Fabric Language Kotlin 1.4.21+build.1
fabric-language-scala: Fabric Language Scala 0.3.2.12
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.0+ffb68a873a
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.1+6a2618f53a
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.2+6a2618f53a
fabric-models-v0: Fabric Models (v0) 0.2.0+cbe9176f3a
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.0+4358fbc63a
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.7+a03e98793a
fabric-networking-v0: Fabric Networking (v0) 0.3.1+2a4333d33a
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.2+6a2618f53a
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.1+6a2618f53a
fabric-particles-v1: Fabric Particles (v1) 0.2.3+cbe9176f3a
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.3+be155ae23a
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.0+cbe9176f3a
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.3+6a2618f53a
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.2.0+f8ac1db23a
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.4+6a2618f53a
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.12+6a2618f53a
fabric-rendering-v0: Fabric Rendering (v0) 1.1.1+6a2618f53a
fabric-rendering-v1: Fabric Rendering (v1) 1.5.0+c26373133a
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.1+0d4d7e343a
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.0+6a2618f53a
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.3+cbe9176f3a
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.0+e77439c73a
fabric-textures-v0: Fabric Textures (v0) 1.0.5+a4467d2a3a
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.5+6a2618f53a
fabricloader: Fabric Loader 0.11.0
falling_tree: FallingTree 2.10.0
fatxporbs: Fat Experience Orbs 0.0.9
fiber: fiber 0.23.0-2
givemehats: Give Me Hats! 1.4
glassential: Glassential 1.16.4-1.1.5
hard-hat-steve: Hard Hat Steve 1.2.0
healthoverlay: Health Overlay 3.6.14
illuminations: Illuminations 1.4.2
imm_ptl_core: Immersive Portals Core 0.60
immersive_portals: Immersive Portals 0.60
improved-stations: Improved Stations 2.0.3
inmis: Inmis 2.1.1-1.16.4
inventorysorter: Inventory Sorter 1.7.6-1.16
jankson: Jankson 3.0.1+j1.2.0
java: Java HotSpot(TM) 64-Bit Server VM 8
jumploader: Jumploader 2.1.2
kyrptconfig: Kytpt Config 1.1.6-1.16
lapisreserve: Lapis Reserve 1.0.6
libcd: LibCapableData 3.0.3+1.16.3
libgui: LibGui 3.1.0+1.16.3
libstructure: LibStructure 1.5
litematica: Litematica 0.0.0-dev.20201103.184101
lithium: Lithium 0.6.0
lithium-api: Lithium API 0.6.0
magna: Magna 1.4.2-1.16.2
malilib: MaLiLib 0.10.0-dev.21+arne.2
mcdict: MCDict 2.0.1+1.16.4
minecraft: Minecraft 1.16.4
modmenu: Mod Menu 1.14.13+build.19
mostructures: Mo' Structures 1.0.1+mc.1.16.4
mousewheelie: Mouse Wheelie 1.6.2+mc1.16.4
okzoomer: Ok Zoomer 4.0.1+1.16.2
org_jetbrains_annotations: annotations 20.0.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.4.21
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.4.21
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.4.21
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.4.21
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.4.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.4.2
patchouli: Patchouli 1.16.4-48-FABRIC
phosphor: Phosphor 0.7.0+build.10
quickshulker: Quick Shulker 1.1.11-1.16
randompatches: RandomPatches 2.1.9-fabric
reach-entity-attributes: Reach Entity Attribute 1.0.1
repurposed_structures: Repurposed Structures 1.16.4-1.7.4
roughlyenoughitems: Roughly Enough Items 5.8.10
roughlyenoughitems-api: REI (API) 5.8.10
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.8.10
roughlyenoughitems-runtime: REI (Runtime) 5.8.10
roughlyenoughresources: Roughly Enough Resources 2.1.3
satin: Satin 1.5.1
sodium: Sodium 0.1.0
staffofbuilding: Staff of Building 1.2.4-1.16.2
step-height-entity-attribute: Step Height Entity Attribute 1.0.0
strawdummy: Straw Dummy 1.4.0
terraform-biome-builder-api-v1: Terraform Biome Builder API (v1) 1.0.0+build.1
terraform-config-api-v1: Terraform Config API (v1) 1.0.0+build.1
terraform-dirt-api-v1: Terraform Dirt API (v1) 1.0.0+build.1
terraform-overworld-biome-extensions-api-v1: Terraform Overworld Biome Extensions API (v1) 1.0.0+build.1
terraform-shapes-api-v1: Terraform Shapes API (v1) 1.0.0+build.1
terraform-surfaces-api-v1: Terraform Surfaces API (v1) 1.0.0+build.1
terraform-tree-api-v1: Terraform Tree API (v1) 1.0.1+build.2
terraform-wood-api-v1: Terraform Wood API (v1) 1.0.0+build.1
terrestria: Terrestria 2.1.5+build.28
tk_valoeghese_zoesteriaconfig: ZoesteriaConfig 1.3.2
traverse: Traverse 3.2.0+build.17
trinkets: Trinkets 2.6.7
tweed: Tweed API 3.0.0-beta.22
vanguard: Vanguard 1.0.1
vanillaexcavators: Vanilla Excavators 1.1.0
voyager: Voyager 1.0.0
waila: Hwyla 1.9.22
waystones: Waystones 1.1.1.1
woodenhoppers: Wooden Hoppers 1.0.0
Patchouli open book context: n/a
Launched Version: Jumploader
Backend library: LWJGL version 3.2.2 build 10
Backend API: NO CONTEXT
GL Caps:
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fabric'
Type: Client (map_client.txt)
CPU:

the official sodium is incompatible with this mod but this mod is compatible with my fork of Sodium: https://github.com/qouteall/sodium-fabric/releases