Created Unassigned: Error: Custom file location is not accessible [22112]

've downloaded the latest version of AutoSPInstaller 3.99.51. I've made a new .xml file for the Beta2 SP2016 SharePoint version. When I start the installation, when the script tries to install the Prerequisites, it breaks with the following message: Error: Custom File Location is not accessible.

Exception : System.Management.Automation.ParameterBindingValidationException: Cannot bind argument to
parameter 'Message' because it is null.
at System.Management.Automation.ExceptionHandlingOps.CheckActionPreference(FunctionContext
funcContext, Exception exception)
at System.Management.Automation.Interpreter.ActionCallInstruction`2.Run(InterpretedFrame
frame)
at
System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame
frame)
at
System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame
frame)
TargetObject :
CategoryInfo : InvalidData: (:) [Write-Warning], ParameterBindingValidationException
FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.WriteWarningComman
d
ErrorDetails :
InvocationInfo : System.Management.Automation.InvocationInfo
ScriptStackTrace : at InstallPrerequisites, C:\SharePoint\SP\AutoSPInstaller\AutoSPInstallerFunctions.ps1: line
875
at Run-Install, C:\SharePoint\SP\AutoSPInstaller\AutoSPInstallerMain.ps1: line 184
at <ScriptBlock>, C:\SharePoint\SP\AutoSPInstaller\AutoSPInstallerMain.ps1: line 379
at <ScriptBlock>, <No file>: line 1
PipelineIterationInfo : {}
PSMessageDetails :

See the link http://1drv.ms/1Y4G6Pz for a picture of the error

I'm not able to install SharePoint 2016 Beta2 with the scripts.