Auto Importing FBX via Commandlet

Currently getting an exception when trying to ImportAssets()

TArray ImportedObjects = AssetToolsModule.Get().ImportAssets(files, importPath);

Giving me this:

First-chance exception at 0x000007FEDBABD231 (UE4Editor-Documentation.dll) in UE4Editor.exe: 0xC0000005: Access violation reading location 0x0000000000000C68. Unhandled exception at 0x000007FEDBABD231 (UE4Editor-Documentation.dll) in UE4Editor.exe: 0xC0000005: Access violation reading location 0x0000000000000C68.