Android Question Fatal Exception: android.app.RemoteServiceException: Bad notification posted from package

Sub NotifyV6(UserImage As String,NotifyText As String)
    
    Dim Rp As RuntimePermissions
                                        
    Dim Folder As String = Rp.GetSafeDirDefaultExternal("shared")
    Dim FileName As String = "msgting.mpeg"
    Dim n As NB6
    n.Initialize("Mensagem Nexphone",Application.LabelName,"HIGH")
    n.SmallIcon(LoadBitmapResize(File.DirAssets,"logonexphone8.png",24dip,24dip,True))
    n.SetDefaults(False,True,True)
    n.AutoCancel(True)
    
                            
    If File.Exists(File.DirInternal,UserImage) Then
        n.LargeIcon(NativeMe.RunMethod("getRoundBitmap",Array(LoadBitmap(File.DirInternal,UserImage))))
    Else
        n.LargeIcon(NativeMe.RunMethod("getRoundBitmap",Array(LoadBitmap(File.DirAssets,"ic_person_black_48dp.png"))))
    End If
    
                                        
    Dim CsUri As String = CreateFileProviderUri(Folder, FileName)
    n.CustomSound(CreateFileProviderUri(Folder, FileName))
                                                                                
    Dim Notification As Notification
    Notification.Initialize
    Notification.OnGoingEvent = False
    Notification = n.Build("Nova Mensagem",NotifyText, "", chats)
    Try
        Notification.Notify(20)
        Sleep(200)
    Catch
        Log(LastException)
    End Try       
    
End Sub