UnityExplorer Il2cpp BepInEx error

[tjr5269]

I am getting this error, followed by a bunch of subsequent errors,

Error loading [UnityExplorer 3.2.7] : Method not found: void UnityEngine.Application.add_logMessageReceived(UnityEngine.Application/LogCallback)

[Info   :   BepInEx] 1 plugin to load
[Info   :   BepInEx] Loading [UnityExplorer 3.2.7]
[Info   :Unhollower] Registered mono type UnityExplorer.ExplorerBepInPlugin+ExplorerBehaviour in il2cpp domain
[Message:UnityExplorer] ExplorerBehaviour.Awake
[Error  :   BepInEx] Error loading [UnityExplorer 3.2.7] : Method not found: void UnityEngine.Application.add_logMessageReceived(UnityEngine.Application/LogCallback)
[Message:   BepInEx] Chainloader startup complete
[Error  :Unhollower] Exception in IL2CPP-to-Managed trampoline, not passing it to il2cpp: System.NullReferenceException: Object reference not set to an instance of an object
  at UnityExplorer.UI.UIManager.Update () [0x00001] in <5d1ee40d327745d590652c1f96b7953b>:0 
  at UnityExplorer.ExplorerCore.Update () [0x00018] in <5d1ee40d327745d590652c1f96b7953b>:0 
  at UnityExplorer.ExplorerBepInPlugin+ExplorerBehaviour.Update () [0x00001] in <5d1ee40d327745d590652c1f96b7953b>:0 
  at (wrapper dynamic-method) UnityExplorer.ExplorerBepInPlugin+ExplorerBehaviour.Trampoline_VoidThisUnityExplorer.ExplorerBepInPlugin+ExplorerBehaviourUpdate(intptr,UnhollowerBaseLib.Runtime.Il2CppMethodInfo*)

[tjr5269]

Solved by adding the unity-libs folder. closing