When an update is released to the ePaper, your iTunes subscription may become unlinked. To correct this problem, go to the log in screen and select "Restore Subscription" to link your subscription back to your iTunes account.
If that doesn't work or if you need additional assistance, please call Customer Service at 1-800-925-1500. Representatives are available Monday-Friday 7:00 a.m. to 5:00 p.m. and Saturday-Sunday 7:00 a.m. to 11:00 a.m. (CST).