iOS Question Task in Background stop the application.

Hi,

please. Could you help. I.ve been looking the problem and 1 or 2minutes after application in background, the application break.

In the log, I can see that message.

Can't end BackgroundTask: no background task exists with identifier 1027 (0x403), or it may have already been ended. Break in UIApplicationEndBackgroundTaskError() to debug.

Thank you for your help.

Raúl.