What steps will reproduce the problem?
1. Open song lists
2. Right click on song title to add to new playlist

Following error pops up:

Message: Interface\AddOns\EpicMusicPlayer\core\dropdown.lua:30 attempt to index local 'db' (a nil value)
Time: 08/28/16 18:30:39
Count: 1
Stack: Interface\AddOns\EpicMusicPlayer\core\dropdown.lua:30 in function `OpenSongMenu'
...erface\AddOns\EpicMusicPlayer\core\playlistframe.lua:46 in function <...erface\AddOns\EpicMusicPlayer\core\playlistframe.lua:42

Locals: self = <table> {
 SetListIsIgnored = <function> defined @Interface\AddOns\EpicMusicPlayer\core\listmanagement.lua:587
 GetLastSong = <function> defined @Interface\AddOns\EpicMusicPlayer\core\listmanagement.lua:148
 modules = <table> {
 }
 CancelTimer = <function> defined @Interface\AddOns\EpicMusicPlayer\libs\AceTimer-3.0\AceTimer-3.0.lua:145
 ScheduledStop = <function> defined @Interface\AddOns\EpicMusicPlayer\core\player.lua:109
 OpenSongMenu = <function> defined @Interface\AddOns\EpicMusicPlayer\core\dropdown.lua:12
 UnregisterComm = <function> defined @Interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:179
 playlists = <table> {
 }
 OnWhisperInform = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:227
 UnMute = <function> defined @Interface\AddOns\EpicMusicPlayer\core\volumeControl.lua:30
 SetDefaultModulePrototype = <function> defined @Interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:440
 IsEnabled = <function> defined @Interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:482
 ToggleDisWoWMusic = <function> defined @Interface\AddOns\EpicMusicPlayer\core\options.lua:745
 ScheduleTimer = <function> defined @Interface\AddOns\EpicMusicPlayer\libs\AceTimer-3.0\AceTimer-3.0.lua:92
 GetCurrentListName = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:278
 GetFonts = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:239
 GetFont = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:330
 media = <table> {
 }
 RegisterMessage = <function> defined @Interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:116
 UnregisterMessage = <function> defined @Interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:179
 GetListnames = <function> defined @Interface\AddOns\EpicMusicPlayer\core\listmanagement.lua:559
 SendCommMessage = <function> defined @Interface\AddOns\EpicMusicPlayer\libs\AceComm-3.0\AceComm-3.0.lua:84
 OnZoneChangedNewArea = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:176
 CheckDate = <function> defined @Interface\AddOns\EpicMusicPlayer\core\easter.lua:25
 UnregisterAllComm = <function> defined @Interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:200
 SetEnabledState = <function> defined @Interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:455
 SpamDefault = <function> defined @Interface\AddOns\EpicMusicPlayer\core\chat.lua:7
 EpicMusicDancer = <table> {
 }
 OnEnable = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:110
 RealignWithPlaying = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:155
 GetSong = <function> defined @Interface\AddOns\EpicMusicPlayer\core\listmanagement.lua:594
 ToggleMinimap = <function> defined @Interface\AddOns\EpicMusicPlayer\core\options.lua:667
 AddEventOptions = <function> defined @Interface\AddOns\EpicMusicPlayer\core\options.lua:844
 OnInitialize = <function> defined @Interface\AddOns\EpicMusicPlayer\core\core.lua:24
 UnregisterAllEvents = <function> defined @Interface\AddOns\Atlas\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:200
 AddSongToHistory = <function> defined @Interface\AddOns\EpicMusicPlayer\core\listmanagement.lua:85
 IsPlayerGui = <function> defined @Interface\AddOns\EpicMusicPlayer\core\options.lua:638
 dataBase = <table> {
 }
 Playing = false
 IsMinimap = <function> defined @Interface\AddOns\EpicMusicPlayer\core\options.lua:658
 GetName = <function> defined @Interface\AddOns\Atlas\Libs\AceAddon-3.0\AceAddon-3.0.lua:310
 OnPlayerAlive = <function> defined @Interface\AddOns\EpicMusicPlayer\core\cor