On startup it gives an error, it won't start.

[teylgun]

[Message: BepInEx] BepInEx 5.4.8.0 - valheim
[Info : BepInEx] Running under Unity v2019.4.31.12409535
[Info : BepInEx] CLR runtime version: 4.0.30319.42000
[Info : BepInEx] Supports SRE: True
[Info : BepInEx] System platform: Bits64, Windows
[Message: BepInEx] Preloader started
[Info : BepInEx] 1 patcher plugin loaded
[Info : BepInEx] Patching [UnityEngine.CoreModule] with [BepInEx.Chainloader]
[Message: BepInEx] Preloader finished
[Message: BepInEx] Chainloader ready
[Message: BepInEx] Chainloader started
[Info : BepInEx] 19 plugins to load
[Info : BepInEx] Loading [Auto Fuel 0.6.0]
[Warning: HarmonyX] AccessTools.DeclaredMethod: Could not find method for type Console and name InputText and parameters
[Warning: HarmonyX] Unknown patch - Could not find method InputText with 0 parameters in type Console, but it was found in base class of this type Terminal
[Info : BepInEx] Loading [Custom Container Sizes 0.4.0]
[Info : BepInEx] Loading [Mining Mod 0.3.0]
[Warning: HarmonyX] AccessTools.DeclaredMethod: Could not find method for type Console and name InputText and parameters
[Warning: HarmonyX] Unknown patch - Could not find method InputText with 0 parameters in type Console, but it was found in base class of this type Terminal
[Info : BepInEx] Loading [CameraMod 0.0.8.2]
[Info : Unity Log] *********** Camera Mod Awoke *****
[Info : Unity Log] 1ST FOV:85
[Info : Unity Log] 3RD FOV:65
[Info : Unity Log] DamageText_delay:1
[Info : Unity Log] DamageText_size:32
[Info : Unity Log] nearClipMin:0,1
[Info : Unity Log] nearClipMax:0,1
[Warning: HarmonyX] AccessTools.Field: Could not find field for type Player and name m_attackDraw
[Error : HarmonyX] Failed to patch void Player::SetControls(UnityEngine.Vector3 movedir, bool attack, bool attackHold, bool secondaryAttack, bool secondaryAttackHold, bool block, bool blockHold, bool jump, bool crouch, bool run, bool autoRun): System.ArgumentException: No such field defined in class Player
Parameter name: m_attackDraw
at HarmonyLib.Public.Patching.HarmonyManipulator.EmitCallParameter (HarmonyLib.Internal.Util.ILEmitter il, System.Reflection.MethodBase original, System.Reflection.MethodInfo patch, System.Collections.Generic.Dictionary`2[TKey,TValue] variables, System.Boolean allowFirsParamPassthrough, Mono.Cecil.Cil.VariableDefinition& tmpObjectVar, System.Collections.Generic.List`1[HarmonyLib.Public.Patching.HarmonyManipulator+ArgumentBoxInfo]& tmpBoxVars) [0x00216] in <dbc2cb9164f143bcb95bff58edfd05a3>:0
at HarmonyLib.Public.Patching.HarmonyManipulator.WritePrefixes (HarmonyLib.Internal.Util.ILEmitter il, System.Reflection.MethodBase original, HarmonyLib.Internal.Util.ILEmitter+Label returnLabel, System.Collections.Generic.Dictionary`2[TKey,TValue] variables, System.Collections.Generic.ICollection`1[T] prefixes) [0x00126] in <dbc2cb9164f143bcb95bff58edfd05a3>:0
at HarmonyLib.Public.Patching.HarmonyManipulator.MakePatched (System.Reflection.MethodBase original, MonoMod.Cil.ILContext ctx, System.Collections.Generic.List`1[T] prefixes, System.Collections.Generic.List`1[T] postfixes, System.Collections.Generic.List`1[T] transpilers, System.Collections.Generic.List`1[T] finalizers) [0x00184] in <dbc2cb9164f143bcb95bff58edfd05a3>:0

[Wizard of Woz]

You need to update your mods.
Highly recommend using Thinderstore, makes modding for this game super simple and always tells you when there is an update to a mod.

[electricdawn]

Pretty much what @wizard_of_woz wrote. ThunderStore is THE recommended way of using mods.