The type initializer for 'UiPath.NuGet.InstallPackageCommand' threw an exception

I start robot use windows cmd , and then invoke it using php, but can not execute and error message as follow

The type initializer for ‘UiPath.NuGet.InstallPackageCommand’ threw an exception.

bat file content as follow:
“UiRobot.exe” -f “Test.xaml” -i “{‘in_DateTimeStamp’:‘1542809811’}”

Hi,

I have the same problem.

Any solutions yet?

I’ve the same problem

any one have the solution please ?

Update PDF package to latest version in studio. This worked for me. Production server had latest Uipath version where older pdf package is not compatible.