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ERROR: while executing gem ... (Errno :: EINVAL) Invalid argument -./ActionDispatch/Routing/Mapper/Scoping/:

I installed ruby ​​and then updated the gem trying to install rails using the following gem command install rails. But the installation breaks with the following error: -

Installing ri documentation for actionpack-4.1.4 ERROR: When executing gem ... (Errno :: EINVAL) Invalid argument -./ActionDispatch/Routing/Mapper/Scoping/:

Operating system: - Windows 7.

Here I am getting empty

Any help would be appreciated. Thanks in advance.

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I had the same problem, but just repeat the operation.



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