i get this now....
Unable to create banner and icon
"C:\Nintendo\SDK\SDK\ctr_sdk\\tools\CommandLineTools\ctr_makebanner32.exe" -nobnr BannerSpec.bsf "C:\Users\redha\UP2\3ds test2\Temp\StagingArea\Icon.icn"
stderr[
]
stdout[
MAKEBANNER FATAL ERROR: Language "English" LongName is necessary for region "All".
]
at UnityEditor.N3DS.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.N3DS.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) [0x00038] in C:\buildslave\unity\build\PlatformDependent\N3DS\Editor\Managed\Command.cs:74
at UnityEditor.PostProcessN3DS.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.N3DS.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) [0x00016] in C:\buildslave\unity\build\PlatformDependent\N3DS\Editor\Managed\PostProcessN3DS.cs:1630
at UnityEditor.PostProcessN3DS.MakeBannerAndOrIcon (System.String stagingArea, System.String bnrPathName, System.String cbmdPathName, System.String iconPathName) [0x00157] in C:\buildslave\unity\build\PlatformDependent\N3DS\Editor\Managed\PostProcessN3DS.cs:843
at UnityEditor.PostProcessN3DS.CreateCCI (Boolean developmentBuild, System.Collections.Generic.List`1 cfaList, System.String installPath, System.String stagingArea) [0x000cb] in C:\buildslave\unity\build\PlatformDependent\N3DS\Editor\Managed\PostProcessN3DS.cs:952
at UnityEditor.PostProcessN3DS.PostProcess (BuildTarget target, BuildOptions options, System.String installPath, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String stagingAreaDataManaged, UnityEditor.RuntimeClassRegistry usedClassRegistry) [0x003b4] in C:\buildslave\unity\build\PlatformDependent\N3DS\Editor\Managed\PostProcessN3DS.cs:285
UnityEditor.HostView
nGUI()