Spanish App cierra a los 3 minutos

Yo lo tengo asi :
Tengo un servicio que se llama srvExoPlayer

'---------------- Modulo Main -------------------'

Al abrir la emisora :

Sub AbrirEmisora
    StartService(srvExoPlayer)'iniciar servicio
    CallSubDelayed(srvExoPlayer,"Iniciar_musica")'abrir exoplayer
End Sub

'---------------- Modulo srvExoPlayer -------------------'

Sub Process_Globals
    Public Exo1 As SimpleExoPlayer
    Private ListaSources As List
    Private NotiNB6 As NB6 ''Notificacion NB6  'https://www.b4x.com/android/forum/threads/91819/#content
End Sub

Sub Service_Create
    Service.AutomaticForegroundMode = Service.AUTOMATIC_FOREGROUND_NEVER
    Exo1.Initialize("mp1")'tu exoplayer
    ListaSources.Initialize'lista con links de emisora
End Sub

Sub Service_Start (StartingIntent As Intent)
    StartServiceAt(Me, DateTime.Now + 30 * DateTime.TicksPerMinute, True)'reiniciar cada x
End Sub

Public Sub Iniciar_musica
    ListaSources.Clear'lista con links de emisora
    Dim url As String = '...... emisora que quieres
    If url.Contains("m3u8") Then
        ListaSources.Add(Exo1.CreateHLSSource(url))
    Else   
        ListaSources.Add(Exo1.CreateUriSource(url))
    End If
    Exo1.Prepare(Exo1.CreateListSource(ListaSources))
    Exo1.Play
End Sub

Sub mp1_Ready
    Exo1.Play'iniciar exoplayer
    PonerNotificacion'poner notificacion
End Sub

Sub CreateNotificationNB6 As Notification
    Dim texto As String = '........
    Dim bm As Bitmap = '...........
    NotiNB6.Initialize("default", Application.LabelName, "DEFAULT").SmallIcon(bm)
    NotiNB6.SetDefaults(False, False, False)
    NotiNB6.Color(Colors.Blue)
    NotiNB6.Colorized(True)
    NotiNB6.LargeIcon(bm)
    If Version >=25 Then NotiNB6.MediaStyle
    
    Return NotiNB6.Build("Musica" , texto, "tag", Main)
End Sub

Sub BotonParar_Click
    srvExoPlayer.Exo1.Pause
    StopService(srvExoPlayer)
End Sub