Complete run log follows.
P:\>AddonBuilder.exe P:\Input P:\Output
[2014-05-29 12:43:48,542]: =====================================================
=====================
2014-05-29 12:43:48,542 [INFO] 1: AddonBuilder.Startup.Main - ==================
========================================================
[2014-05-29 12:43:48,554]: WELCOME TO ADDON BUILDER
2014-05-29 12:43:48,554 [INFO] 1: AddonBuilder.Startup.Main - WELCOME TO ADDON B
UILDER
[2014-05-29 12:43:48,554]: =====================================================
=====================
2014-05-29 12:43:48,554 [INFO] 1: AddonBuilder.Startup.Main - ==================
========================================================
2014-05-29 12:43:48,558 [DEBUG] 1: AddonBuilder.BuilderCommandLine.Parse - [arg0
]=P:\Input
2014-05-29 12:43:48,560 [DEBUG] 1: AddonBuilder.BuilderCommandLine.Parse - [arg1
]=P:\Output
2014-05-29 12:43:48,567 [DEBUG] 1: Steam.SteamHelper.Init - Steam init
Setting breakpad minidump AppID = 233800
Steam_SetMinidumpSteamID: Caching Steam ID: 76561197994125457 [API loaded no]
2014-05-29 12:43:48,683 [DEBUG] 1: Steam.SteamHelper.Init - Setting message hook
2014-05-29 12:43:48,683 [DEBUG] 1: Steam.SteamHelper.Init - Retrieving SteamApps
interface
2014-05-29 12:43:48,684 [DEBUG] 1: Steam.SteamHelper.Init - [Tool AppId]=233800
2014-05-29 12:43:48,684 [DEBUG] 1: Steam.SteamHelper.Init - Arma3Tools is instal
led
2014-05-29 12:43:48,685 [DEBUG] 1: Steam.SteamHelper.Init - [Arma3 Tools install
dir]=F:\Games\Steam\steamapps\common\Arma 3 Tools
2014-05-29 12:43:48,692 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Sou
rceDir]=P:\Input
2014-05-29 12:43:48,693 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Des
tDir]=P:\Output
2014-05-29 12:43:48,693 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Pro
ject]=P:\Input
2014-05-29 12:43:48,694 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Pac
kOnly]=False
2014-05-29 12:43:48,694 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Add
onPrefix]=
2014-05-29 12:43:48,694 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Tem
pDir]=C:\Users\Ryan\AppData\Local\Temp
2014-05-29 12:43:48,695 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Cle
arTemp]=False
2014-05-29 12:43:48,695 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Sig
natureFile]=
2014-05-29 12:43:48,695 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Bin
arizeExePath]=F:\Games\Steam\steamapps\common\Arma 3 Tools\Binarize\binarize.exe
2014-05-29 12:43:48,696 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Cfg
ConvertExePath]=F:\Games\Steam\steamapps\common\Arma 3 Tools\CfgConvert\CfgConve
rt.exe
2014-05-29 12:43:48,696 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Fil
ebankExePath]=F:\Games\Steam\steamapps\common\Arma 3 Tools\FileBank\FileBank.exe
2014-05-29 12:43:48,696 [DEBUG] 1: AddonBuilder.BuilderConfiguration.Dump - [Dss
ignfileExePath]=F:\Games\Steam\steamapps\common\Arma 3 Tools\DSSignFile\DSSignFi
le.exe
2014-05-29 12:43:48,697 [DEBUG] 1: AddonBuilder.Tasks.CfgConvertTask..ctor - [cf
gConvertExe]=F:\Games\Steam\steamapps\common\Arma 3 Tools\CfgConvert\CfgConvert.
exe
2014-05-29 12:43:48,698 [DEBUG] 1: AddonBuilder.Tasks.CfgConvertTask..ctor - [te
mpPath]=C:\Users\Ryan\AppData\Local\Temp
2014-05-29 12:43:48,698 [DEBUG] 1: AddonBuilder.Tasks.CfgConvertTask..ctor - [so
urcePath]=P:\Input
2014-05-29 12:43:48,698 [DEBUG] 1: AddonBuilder.Tasks.CfgConvertTask..ctor - [pr
ojectPath]=P:\Input
2014-05-29 12:43:48,699 [DEBUG] 1: AddonBuilder.Tasks.TaskHelper.CheckDir - [dir
]=P:\Input
2014-05-29 12:43:48,699 [DEBUG] 1: AddonBuilder.Tasks.TaskHelper.CheckDir - [dir
]=P:\Input
2014-05-29 12:43:48,700 [DEBUG] 1: AddonBuilder.Tasks.TaskHelper.CheckDir - [dir
]=C:\Users\Ryan\AppData\Local\Temp
2014-05-29 12:43:48,701 [DEBUG] 1: AddonBuilder.Tasks.TaskHelper.CheckDir - [dir
]=C:\Users\Ryan\AppData\Local\Temp
2014-05-29 12:43:48,701 [DEBUG] 1: AddonBuilder.Tasks.TaskHelper.CheckDir - [dir
]=F:\Games\Steam\steamapps\common\Arma 3 Tools\FileBank
Unhandled Exception: System.ArgumentException: empty or null addon prefix provid
ed
Parameter name: addonPrefix
at AddonBuilder.Tasks.PackTask..ctor(String FilebankExe, String packDir, Stri
ng addonPrefix, String excludeListPath)
at AddonBuilder.Builder..ctor(BuilderConfiguration cfg)
at AddonBuilder.Startup.RunComandLineApp(BuilderCommandLine builderArgs)
at AddonBuilder.Startup.Main(String[] args)