iOS development--Invalid NIB registered for identifier

Today, when you write code, you run into one of these questions:

Invalid NIB registered for identifier (re-)-nib must contain exactly one top level object which must be a uitableviewcel L instance '

I always thought it was the registration there was a problem, changed 2 times, or not good, then Baidu, the reasons are as follows:

When creating a cell through Xib, be sure to pay attention to!!! This error is in this xib in the view at the same level there are other controls, check the left side of the xib in the hierarchy, so that the cell view is the only control can be, or an execution will be prompted, in fact, only need to go back to xib, a good number of controls, delete the extra control can be

iOS development--Invalid NIB registered for identifier