[3P Content] Multiple content errors occur during world creation on "Santa's Mansion" (Pathway Studios)

Verification Builds:
rohun/214136_adding_nullchecks_to_compactioncallback | Windows 10: YES
r/13 | Windows 10: YES
main (r/14) | Windows 10: YES (This has different errors than the branches above.)
 
Repro Steps: #
1.Purchase and download the "Santa's Mansion" world (Pathway Studios) in a Release build.
2.Create the world from the template.

Result:
Multiple content errors occur during world creation.
 
Expected:
No content errors will occur.