Can I get some assistance on understanding my crash report?

I'm fairly new to app development and I trying to understanding the reasoning on why the app I'm developing keep crashing/not running. I understand that "libswiftCore.dylib 0x18f70f568 assertionFailure(:_:file:line:flags:) + 304" is responsible for the crash but I don't understand why and how to fix the issue. Any help on this problem will be greatly appreciated. Below contains the crash report.

Usually you need to go back up the stack trace a bit to understand why the system code might have thrown an assertion.

It looks like the last time it was in your code was

3   Africa #2                     	       0x100c630ec one-time initialization function for videos + 152 (VideoListItem.swift:21)

and the error message

Africa__2/CodeableBundleExtension.swift:14: Fatal error: Failed to locate video.json in bundle.

should be a big hint too.

Can I get some assistance on understanding my crash report?
 
 
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