Invalid update: invalid number of items in section 0.

Question

Recently I got the following error:

Fatal Exception: NSInternalInconsistencyException Invalid update: invalid number of items in section 0. The num

Answer 1

The call to insertItems(at:) and deleteItems(at:) must be accompanied with change in the datasource as well.

So, before calling these APIs, you would want to change your datasource, i.e. add objects into it before calling insertItems and remove objects from it before calling deleteItems