CursorIndexOutOfBoundsException

1java.lang.RuntimeException: Unable to start activity ComponentInfo{com.BeFit.pushups/com.BeFit.pushups.SportCounterExercise}: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
2at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1696)
3at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1716)
4at android.app.ActivityThread.access$1500(ActivityThread.java:124)
5at android.app.ActivityThread$H.handleMessage(ActivityThread.java:968)
6at android.os.Handler.dispatchMessage(Handler.java:99)
7at android.os.Looper.loop(Looper.java:123)
8at android.app.ActivityThread.main(ActivityThread.java:3806)
9at java.lang.reflect.Method.invokeNative(Native Method)
10at java.lang.reflect.Method.invoke(Method.java:507)
11at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
12at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
13at dalvik.system.NativeStart.main(Native Method)
14Caused by: android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0
15at android.database.AbstractCursor.checkPosition(AbstractCursor.java:580)
16at android.database.AbstractWindowedCursor.checkPosition(AbstractWindowedCursor.java:214)
17at android.database.AbstractWindowedCursor.getString(AbstractWindowedCursor.java:41)
18at com.BeFit.pushups.dao.TrainingScheduleDao.getTrainingScheduleInfos(TrainingScheduleDao.java:60)
19at com.BeFit.pushups.dao.TrainingScheduleDao.getTodaysTrainingsSchedule(TrainingScheduleDao.java:80)
20at com.BeFit.pushups.SportCounterExercise.onCreate(SportCounterExercise.java:128)
21at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
22at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1660)

1com.BeFit.pushups.dao.TrainingScheduleDao.getTrainingScheduleInfos(TrainingScheduleDao.java:60)
219at com.BeFit.pushups.dao.TrainingScheduleDao.getTodaysTrainingsSchedule(TrainingScheduleDao.java:80)
320at com.BeFit.pushups.SportCounterExercise.onCreate(SportCounterExercise.java:128)