Welcome to the Treehouse Community
Looking to learn something new?
Tong Vang9,926 Points
Installing Rails on Windows 7
While installing rails I received the following error: ERROR: While executing gem ... (Errno::EINVAL) Invalid argument - ./ActionDispatch/Routing/Mapper/Scoping/:
Jonathan L15,323 Points
Hi Tong, I don't have an immediate solution to your problem, BUT, I saw a thread from a month ago that may help... https://teamtreehouse.com/forum/error-3 Also, try copy/pasting your error message into Google (or the search engine of your choice). There may be some helpful info there as well. Good luck!