title: Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'CoreData could not fulfill a fault
body: <p>I jut had this error and I searched for an answer on stack overflow but all the answers were ambiguous, I just want to know where is the line of this stack where it shows that I have an error, and how exactly can I solve it ? </p>
  
  <pre><code>*** Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'CoreData could not fulfill a fault for '0xd000000000080000 &lt;x-coredata://53C0FD28-C56A-4608-A320-05A841464DBD/Site/p2&gt;''
  *** First throw call stack:
  (
      0   CoreFoundation                      0x0000000103ca3c65 __exceptionPreprocess + 165
      1   libobjc.A.dylib                     0x0000000102db2bb7 objc_exception_throw + 45
      2   CoreData                            0x0000000102a261fd _PFFaultHandlerLookupRow + 1949
      3   CoreData                            0x0000000102a25659 _PF_FulfillDeferredFault + 265
      4   CoreData                            0x0000000102a25437 _sharedIMPL_pvfk_core + 103
      5   CoreData                            0x0000000102a58513 _PF_Handler_Public_GetProperty + 163
      6   Foundation                          0x0000000102333914 -[NSArray(NSKeyValueCoding) valueForKey:] + 437
      7   CoreData                            0x0000000102a8e5af -[_PFBatchFaultingArray valueForKey:] + 79
      8   Foundation                          0x00000001023ada63 -[NSArray(NSKeyValueCoding) valueForKeyPath:] + 435
      9   CoreData                            0x0000000102a8e61f -[_PFBatchFaultingArray valueForKeyPath:] + 79
      10  CoreData                            0x0000000102b21ba1 __43-[NSFetchedResultsController performFetch:]_block_invoke + 481
      11  CoreData                            0x0000000102aefc30 gutsOfBlockToNSPersistentStoreCoordinatorPerform + 192
      12  libdispatch.dylib                   0x000000010489e614 _dispatch_client_callout + 8
      13  libdispatch.dylib                   0x0000000104884002 _dispatch_barrier_sync_f_invoke + 365
      14  CoreData                            0x0000000102adfec6 -[NSPersistentStoreCoordinator performBlockAndWait:] + 198
      15  CoreData                            0x0000000102b218dc -[NSFetchedResultsController performFetch:] + 572
      16  OptiChantier                        0x0000000100627930 -[HEQSiteListViewController_iPhone fetchedResultsController] + 720
      17  OptiChantier                        0x00000001006253ca -[HEQSiteListViewController_iPhone numberOfSectionsInTableView:] + 58
      18  UIKit                               0x0000000101357bbe -[_UIFilteredDataSource numberOfSectionsInTableView:] + 112
      19  UIKit                               0x00000001012ceac3 -[UITableViewRowData _updateNumSections] + 84
      20  UIKit                               0x00000001012cf4b4 -[UITableViewRowData invalidateAllSections] + 69
      21  UIKit                               0x000000010111a73b -[UITableView _updateRowData] + 217
      22  UIKit                               0x000000010113b4a5 -[UITableView _rebuildGeometry] + 27
      23  UIKit                               0x0000000101139c12 -[UITableView setLayoutMargins:] + 378
      24  UIKit                               0x0000000101139a5f -[UITableView _setDefaultLayoutMargins:] + 134
      25  UIKit                               0x000000010116cac5 -[UIViewController _setContentOverlayInsets:] + 317
      26  UIKit                               0x000000010116d3f6 -[UIViewController _updateContentOverlayInsetsFromParentIfNecessary] + 1857
      27  UIKit                               0x000000010116cb35 -[UIViewController _updateContentOverlayInsetsForSelfAndChildren] + 101
      28  UIKit                               0x0000000101174db8 -[UIViewController _updateLayoutForStatusBarAndInterfaceOrientation] + 746
      29  UIKit                               0x0000000101178a9b -[UIViewController viewDidMoveToWindow:shouldAppearOrDisappear:] + 873
      30  UIKit                               0x00000001010bd9c5 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 1397
      31  UIKit                               0x00000001010cf48b -[UIScrollView _didMoveFromWindow:toWindow:] + 55
      32  UIKit                               0x00000001010bd70a -[UIView(Internal) _didMoveFromWindow:toWindow:] + 698
      33  UIKit                               0x00000001010b5e8f __45-[UIView(Hierarchy) _postMovedFromSuperview:]_block_invoke + 125
      34  UIKit                               0x00000001010b5e03 -[UIView(Hierarchy) _postMovedFromSuperview:] + 437
      35  UIKit                               0x00000001010bff08 -[UIView(Internal) _addSubview:positioned:relativeTo:] + 1660
      36  UIKit                               0x00000001013a680c -[UINavigationTransitionView transition:fromView:toView:] + 479
      37  UIKit                               0x00000001011a4170 -[UINavigationController _startTransition:fromViewController:toViewController:] + 2984
      38  UIKit                               0x00000001011a4408 -[UINavigationController _startDeferredTransitionIfNeeded:] + 523
      39  UIKit                               0x00000001011a4ece -[UINavigationController __viewWillLayoutSubviews] + 43
      40  UIKit                               0x00000001012ef6d5 -[UILayoutContainerView layoutSubviews] + 202
      41  UIKit                               0x00000001010c29eb -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 536
      42  QuartzCore                          0x00000001070b7ed2 -[CALayer layoutSublayers] + 146
      43  QuartzCore                          0x00000001070ac6e6 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 380
      44  QuartzCore                          0x00000001070ac556 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 24
      45  QuartzCore                          0x000000010701886e _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 242
      46  QuartzCore                          0x0000000107019a22 _ZN2CA11Transaction6commitEv + 462
      47  QuartzCore                          0x000000010701a0d3 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 89
      48  CoreFoundation                      0x0000000103bd6ca7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
      49  CoreFoundation                      0x0000000103bd6c00 __CFRunLoopDoObservers + 368
      50  CoreFoundation                      0x0000000103bcca33 __CFRunLoopRun + 1123
      51  CoreFoundation                      0x0000000103bcc366 CFRunLoopRunSpecific + 470
      52  GraphicsServices                    0x0000000103afba3e GSEventRunModal + 161
      53  UIKit                               0x00000001010428c0 UIApplicationMain + 1282
      54  OptiChantier                        0x00000001005bff6f main + 111
      55  libdyld.dylib                       0x00000001048d2145 start + 1
      56  ???                                 0x0000000000000001 0x0 + 1
  )
  libc++abi.dylib: terminating with uncaught exception of type _NSCoreDataException
  (lldb) 
  </code></pre>