Originally Posted by bisleri
Please check :
This can occur if the BlackBerry smartphone is missing the BlackBerry App World service book for BlackBerry device software 4.0 to 7.0.
Go to Options -> Device -> Advanced System Settings -> Service Book. Once inside confirm that the service book BlackBerry App World [APPWORLD] exists.
Appworld is not existed in service book. How can I add there? Posted via BlackBerryForums.com Mobile