diff --git a/Source/IGListKit/Internal/IGListBatchUpdateTransaction.m b/Source/IGListKit/Internal/IGListBatchUpdateTransaction.m
index a71926d4..5bd1d7b6 100644
--- a/Source/IGListKit/Internal/IGListBatchUpdateTransaction.m
+++ b/Source/IGListKit/Internal/IGListBatchUpdateTransaction.m
@@ -231,6 +231,7 @@ willPerformBatchUpdatesWithCollectionView:self.collectionView
             /// with our product team to properly fix their data source changes outside of the -performBatchUpdatesBlock:
             /// IGLisKit processed a new being as an assert that requires investigation,
             /// since it will be processed as invalid data source state that needs a reload.
+            IGFailure(@"The data source returned an invalid number of sections and rows due to updates applied outside of the performBatchUpdates block. This will cause a crash.");
             [self begin];
             return;
         } else {