[Bug]: UnityExplorer can't initialize because there is no UnityEngine.UI.dll

[MegaPiggy]

Are you on the latest version of UnityExplorer?

• [X] Yes, I'm on the latest version of UnityExplorer.

Which release are you using?

Standalone Mono

Which game did this occur on?

Unity v2019.3.0a3

Describe the issue.

UnityExplorer should have initialized.

Relevant log output

Trying to resolve assembly: UnityEngine.UI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
Trying to resolve assembly: UnityEngine.UI, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
TypeLoadException: Could not find method due to a type load error
  at UnityExplorer.ExplorerCore::Log(object message, UnityEngine.LogType logType) [0x00017] in UnityExplorer.Standalone.Mono
  at UnityExplorer.ExplorerCore::Log(object message) [0x00000] in UnityExplorer.Standalone.Mono
  at UnityExplorer.ExplorerCore::Init(UnityExplorer.IExplorerLoader loader) [0x0001f] in UnityExplorer.Standalone.Mono
  at UnityExplorer.ExplorerStandalone::Init() [0x00013] in UnityExplorer.Standalone.Mono
  at UnityExplorer.ExplorerStandalone::CreateInstance(System.Action`2[[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[UnityEngine.LogType, UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null]] logListener, string unhollowedModulesPath) [0x0001b] in UnityExplorer.Standalone.Mono
  at UnityExplorer.ExplorerStandalone::CreateInstance(System.Action`2[[System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[UnityEngine.LogType, UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null]] logListener) [0x00000] in UnityExplorer.Standalone.Mono