...however when I drag-n-drop in Game Manager it works almost 100&. I read in another post they use the same POST method under the hood. Pwsh output... F:\Server\AoLUnity>"C:\Program Files\PowerShell\7\pwsh" -File "upload_to_playfab.ps1" D:\PlayfabContent\PlayfabContent-160.zip PlayfabContent-160.zip New-PfAsset: F:\Server\AoLUnity\upload_to_playfab.ps1:9 Line | 9 | New-PfAsset -FilePath "D:\PlayfabContent\PlayfabContent-$str.zip" -As … | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | Exception calling "GetResult" with "0" argument(s): "An error occurred while sending the request." F:\Server\AoLUnity>PAUSE Press any key to continue . . .