* Issue: No recipients are defined. Please visit the chapter [[add_mail_recipients|How to Enter Your Recipients]] for more info.
  * Issue: Sender mail is not defined. Please visit the chapter [[mail_settings|Edit the Basic Email Settings]] for more info.
  * Issue: email or SMS has an empty body. Please visit the chapter [[mail_settings|Edit the Basic Email Settings]] for more info.
  * Issue: The Scenario has recipients with empty phone, which is required for the selected type of message. Please visit the chapter [[create_a_smishing_campaign|]] for more info.
  * Issue: The workstation balance is not enough to cover SMS expenses for all recipients. Please visit the chapter [[create_a_smishing_campaign|]] or the chapter [[smishing_issues|]] for more info.