"Connection with server has failed." message appears when you try to log in.
The most common cause is that you have an old version of the Mobile App. Simply update to the latest version via the App Store (iOS) or Google Play (Android).
App indicates "Error. Either your email address or password is incorrect."
First, try and reset your password (see here for how to do this).
If the issue continues, you may be using an old version of the app. Update to the latest version via the App Store (iOS) or Google Play (Android).
If updating the app still doesn't resolve the problem, try uninstalling then reinstalling the app. Don't worry, you won't lose any information you've registered in Sansan.
App indicates "Sign in not permitted"
In this case, your company may not allow access via your IP address. Please consult with your system administrator to confirm and resolve this.
You have the ability to confirm and change permissions and restrictions on use of the Mobile App. See here for details.
SAML Authentication-integrated Users
Please contact your system administrator if you have trouble logging in.