ios - Issue with CoreData light migration. -
i needed change xcdatamodeld
followed tutorial.
i created .mom file , added 1 attribute 1 of previous entities. set in appdelegate
.
nsdictionary *options = @{ nsmigratepersistentstoresautomaticallyoption : @yes, nsinfermappingmodelautomaticallyoption : @yes }; if (![_persistentstorecoordinator addpersistentstorewithtype:nssqlitestoretype configuration:nil url:storeurl options:options error:&error]) ...
i thought ok when try interact core data app crashes error.
*** terminating app due uncaught exception 'nsinternalinconsistencyexception', reason: 'this nspersistentstorecoordinator has no persistent stores. cannot perform save operation.'
what did miss?
i manage solve, needed update persistentstorecoordinator created handle database on icloud nsdictionary
called options
.
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