check_view_details_crash

04-09 14:23:54.039 7027-7027/com.pinbonus2 E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.pinbonus2, PID: 7027
    java.lang.IllegalArgumentException: Unknown pattern character 'Y'
        at java.text.SimpleDateFormat.validatePatternCharacter(SimpleDateFormat.java:314)
        at java.text.SimpleDateFormat.validatePattern(SimpleDateFormat.java:296)
        at java.text.SimpleDateFormat.<init>(SimpleDateFormat.java:356)
        at java.text.SimpleDateFormat.<init>(SimpleDateFormat.java:249)
        at com.pinbonus.data.check.ui.CheckDetails.formatDate(CheckDetails.java:158)
        at com.pinbonus.data.check.ui.CheckDetails.<init>(CheckDetails.java:39)
        at com.pinbonus.data.check.ui.ChecksViewModel.showCheckDetails(ChecksViewModel.java:66)
        at com.pinbonus.FragmentCheckList$2.clicked(FragmentCheckList.java:80)
        at com.pinbonus.data.check.ui.CheckAdapter$CheckHolder$1.onClick(CheckAdapter.java:65)
        at android.view.View.performClick(View.java:4788)
        at android.view.View$PerformClick.run(View.java:19881)
        at android.os.Handler.handleCallback(Handler.java:739)
        at android.os.Handler.dispatchMessage(Handler.java:95)
        at android.os.Looper.loop(Looper.java:135)
        at android.app.ActivityThread.main(ActivityThread.java:5348)
        at java.lang.reflect.Method.invoke(Native Method)
        at java.lang.reflect.Method.invoke(Method.java:372)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:947)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:742)