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Home/ Questions/Q 4324542
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Editorial Team
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Editorial Team
Asked: May 21, 20262026-05-21T09:08:48+00:00 2026-05-21T09:08:48+00:00

What can cause an error like (NSMergeConflict for NSManagedObject)? I am not using threads?

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What can cause an error like (NSMergeConflict for NSManagedObject)? I am not using threads? I have set a MOC to handle a SQL DB via Core Data. i am trying to delete one reminder from a list of reminders. Throw that error and obviously does not remove it from the DB. Any hints?

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  1. Editorial Team
    Editorial Team
    2026-05-21T09:08:49+00:00Added an answer on May 21, 2026 at 9:08 am

    Did you pull the reminder out into two different managed objects and edit both ? .. It seems it is complaining that it cannot merge the data in memory for saving to the db store.

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