UICollectionView Assertion failure

Question

I m getting this error on performing insertItemsAtIndexPaths in UICollectionView

Assertion failure in:

-[UICollectionViewD         


        

Answer 1

Check that you are returning the correct number of elements in the UICollectionViewDataSource methods:

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section

and

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView