Powershell Update Error

Test-ScriptFileInfo : Script 'C:\Users\novag\AppData\Local\Temp\1291563196.ps1' is missing required metadata properties. Verify that the script file has Version, Guid, Description and
Author properties. You can use the Update-ScriptFileInfo or New-ScriptFileInfo cmdlet to add or update the PSScriptInfo to the script file.
At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.1.3.1\PSModule.psm1:5605 char:31
+ ...           $scriptInfo = Test-ScriptFileInfo -Path $tempScriptFilePath
+                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (C:\Users\novag\...\1291563196.ps1:String) [Test-ScriptFileInfo], ArgumentException
    + FullyQualifiedErrorId : MissingRequiredPSScriptInfoProperties,Test-ScriptFileInfo