Project directory 'C:\Users\Ajmal .M\GitHub\teammates' is not part of the build defined by settings file 'C:\Users\Ajmal .M\settings.gradle'. If this is an unrelated build, it must have its own settings file.
For HTTPS URLs, you need to make sure your proxy configuration ignore host setting in Eclipse includes the domain name of the GitHub Enterprise (on premise) private server, or it will try to contact the proxy every time (and fail