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Login screen before masterview/navigation

I'm still new to objective -c. I have everything else working but I just can't wrap my head around this login screen atm.

I can log in but after that, my app crashes and I get this error:

Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to dequeue a cell with identifier Cell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard'

But without the login screen, it works fine. My storyboard looks like this:

在此处输入图片说明

Could someone lend a hand?

The problem is not really inside your login screen, but in the MasterViewController . With some breakpoints, you should see that your present controller is allocated, it's viewDidLoad is probably called.

But inside some method of the tableView's delegate implementation (probably cellForRowAtIndexPath: ) your code crashes. Make sure to have a correct implementation of the tableView's methods, using a identifier for cell in your XIB/Storyboard (or registering with registerClass:forCellReuseIdentifier: method ,etc.

This link should help you with the problem: Why am I getting an error about being unable to dequeue when my UITableView tries to load?

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