hello ketaki… please try to give permission to the user role of that nanoflow before using. open project security and in nanoflow tab give access to the administrator and trainee module.
give the permission to your project so 1st » click on Main project in project explorer » security » select “production “ in security level » then click on modules rules » complete the incomplete status ( which is in yellow colour ) » like give the permissions.
Please check if there are any runtime errors on your console?
If yes, please post them.