Refresh CollectionView Error The item height must is less that the height of the uicollectionview minus the S

The following error occurred after the data request was refreshed CollectionView.

The behavior of the uicollectionviewflowlayout is not defined because:

2015-03-16 10:56:45.898 XXXXX [664:60b] The item height must is less the height of the Uicollectionview minus the SEC tion insets top and bottom values.

It is possible that the data was not loaded before the page was inserted, resulting in an error.

On the internet for a long time, as long as a word to solve the problem:

self . automaticallyadjustsscrollviewinsets = NO;

Automaticallyadjustsscrollviewinsets

When yes, it will look for the ScrollView in the view and set the ScrollView's contentinset to {64, 0, 0, 0}. If you do not want the content of ScrollView to be automatically adjusted, set this property to No (the default is YES).

Refresh CollectionView Error The item height must is less that the height of the uicollectionview minus the S