PSES Preview doesn't load

[corbob]

System Details

• Vim or NeoVim?: NeoVim

• Version of Vim (run vim --version) or NeoVim (run nvim --version): NVIM v0.4.0-1234-g1b99aa8c5 (a few days old nightly)

• Version of coc-powershell (in Vim or NeoVim: :CocList extensions coc-powershell): 0.0.17 (local build with attempts to add powershell/showHelp command)

• Operating System: Windows 10 build 18922 (insiders build)

• PowerShell version (in PowerShell: $PSVersionTable): 5.1.18922.1000

Issue Description

Using downloadPSES.ps1 with the -AllowPreRelease flag. Getting the message:

An error occurred while starting PowerShell Editor Services:

The argument is null. Provide a valid value for the argument, and then try running the command again.
   at System.Management.Automation.ValidateNotNullAttribute.Validate(Object arguments, EngineIntrinsics engineIntrinsics)
   at System.Management.Automation.ParameterBinderBase.BindParameter(CommandParameterInternal parameter, CompiledCommandParameter parameterMetadata, ParameterBindingFlags flags)

Expected Behaviour

Would expect PSIC to load without issue.

Actual Behaviour

Receiving error in attempting to load PSIC.

[TylerLeonhardt]

Ah... The Start-EditorServices.ps1 params might be different...

[TylerLeonhardt]

This is a relic of the past