Error for group path check when group path contains dot

Steps to reproduce

• navigate to https://gitlab.com/groups/new#create-group-pane
• enter any group name containing a dot

What is the current bug behavior?

each time you type a new error message is added to the stack:

corresponding endpoint results in 404: https://gitlab.com/api/v4/namespaces/with.dot/exists

What is the expected correct behavior?

no error is shown, group path is checked