PoshRSJob error

2016/04/19 16:50:25 | C:\
# ADMIN # PS> 1..5 | Start-RSJob {$_}
New-Object : Cannot find type [PoshRS.PowerShell.RSRunspacePool]: verify that the assembly containing this type is
loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:249 char:22
+ ... $RSPObject = New-Object PoshRS.PowerShell.RSRunspacePool -Property @{
+                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

New-Object : Cannot find type [PoshRS.PowerShell.RSJob]: verify that the assembly containing this type is loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:415 char:27
+ ...             $Object = New-Object PoshRS.PowerShell.RSJob -Property @{
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

The property 'LastActivity' cannot be found on this object. Verify that the property exists and can be set.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:429 char:17
+                 $RSPObject.LastActivity = Get-Date
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : PropertyNotFound

New-Object : Cannot find type [PoshRS.PowerShell.RSJob]: verify that the assembly containing this type is loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:415 char:27
+ ...             $Object = New-Object PoshRS.PowerShell.RSJob -Property @{
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

The property 'LastActivity' cannot be found on this object. Verify that the property exists and can be set.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:429 char:17
+                 $RSPObject.LastActivity = Get-Date
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : PropertyNotFound

New-Object : Cannot find type [PoshRS.PowerShell.RSJob]: verify that the assembly containing this type is loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:415 char:27
+ ...             $Object = New-Object PoshRS.PowerShell.RSJob -Property @{
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

The property 'LastActivity' cannot be found on this object. Verify that the property exists and can be set.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:429 char:17
+                 $RSPObject.LastActivity = Get-Date
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : PropertyNotFound

New-Object : Cannot find type [PoshRS.PowerShell.RSJob]: verify that the assembly containing this type is loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:415 char:27
+ ...             $Object = New-Object PoshRS.PowerShell.RSJob -Property @{
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

The property 'LastActivity' cannot be found on this object. Verify that the property exists and can be set.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:429 char:17
+                 $RSPObject.LastActivity = Get-Date
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : PropertyNotFound

New-Object : Cannot find type [PoshRS.PowerShell.RSJob]: verify that the assembly containing this type is loaded.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:415 char:27
+ ...             $Object = New-Object PoshRS.PowerShell.RSJob -Property @{
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidType: (:) [New-Object], PSArgumentException
    + FullyQualifiedErrorId : TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand

The property 'LastActivity' cannot be found on this object. Verify that the property exists and can be set.
At C:\Users\anthony.stringer\Dropbox\Documents\PSScripts\Modules\PoshRSJob\Public\Start-RSJob.ps1:429 char:17
+                 $RSPObject.LastActivity = Get-Date
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : PropertyNotFound

2016/04/19 16:50:38 | C:\
# ADMIN # PS>

2016/04/19 16:54:45 | C:\
# User # PS> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.0.10586.63
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.10586.63
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1