inNode.mediaSource is nil

[mikeabdullah]

We're getting a few reports like this:

: Dispatch queue: com.apple.root.default-priority
0 libsystem_kernel.dylib 0x945a79c6 __pthread_kill + 10
1 libsystem_c.dylib 0x9c5f9f78 pthread_kill + 106
2 libsystem_c.dylib 0x9c5eabdd abort + 167
3 libsystem_c.dylib 0x9c5ead90 abort_report_np + 81
4 libsystem_c.dylib 0x9c5f99ca pthread_exit + 75
5 com.apple.Foundation 0x9ae6be3c +[NSThread exit] + 18
6 com.apple.ExceptionHandling 0x00306f08 -[NSExceptionHandler _handleException:mask:] + 1422
7 com.apple.ExceptionHandling 0x003072a7 NSExceptionHandlerUncaughtExceptionHandler + 331
8 com.apple.CoreFoundation 0x91f2db19 __raiseError + 409
9 libobjc.A.dylib 0x9abb7149 objc_exception_throw + 155
10 com.apple.CoreFoundation 0x91e95289 +[NSException raise:format:arguments:] + 137
11 com.apple.CoreFoundation 0x91e951f9 +[NSException raise:format:] + 57
12 com.apple.Foundation 0x9ae337a6 -[NSURL(NSURL) initFileURLWithPath:isDirectory:] + 96
13 com.apple.Foundation 0x9ae3372e +[NSURL(NSURL) fileURLWithPath:isDirectory:] + 75
14 com.karelia.iMedia 0x003fa891 -[IMBFolderParser populateNode:options:error:] + 94
15 com.karelia.iMedia 0x003f9f34 -[IMBParser populateNewNode:likeOldNode:options:] + 113
16 com.karelia.iMedia 0x003fa004 -[IMBParser populateNewNode:likeOldNode:options:] + 321
17 com.karelia.iMedia 0x003fa810 -[IMBFolderParser nodeWithOldNode:options:error:] + 1030
18 com.karelia.iMedia 0x003fe337 -[IMBCreateNodeOperation main] + 138

Logically, this must be because the path is nil, because inNode.mediaSource returned nil.