You do not have a mail file specified. Use File Mobile Edit Current® Location... to set it.

What happened

You didn't specify a mail file in your current Location document.

What you can do

1. Ask your HCL Domino® administrator for the names of your home/mail server and mail file.
2. Click File > Mobile Edit Current® Location.
3. Under Mail, check the name of and path to your mail file. If it's in a subdirectory, specify your mail file in this format: name of subdirectory\name of mail file. For example:

   mail\dbcooper.nsf

4. Save the current location document.

Try using mail again. If it doesn't work, see your Domino® administrator to be sure that a mail file has been created for you.