ios - Core Data Light weight Migration Issue -


i have did light weight migration in app using following link. http://code.tutsplus.com/tutorials/core-data-from-scratch-migrations--cms-21844

it works fine till have old app, when uninstalled existing app , installed again new added field not working. gives following error.

-[table setcolumnname:]: unrecognized selector sent instance 0x16e523c0


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