Quickly and unexpectedly found zero when expanding an optional value

Question

I have a class:

class ListOfEventsController: UIViewController, UITableViewDataSource, UITableViewDelegate {

and contains the function:

func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCellWithIdentifier("CELL") as! SingleEventCell

and when I run it - it causes an error that says

fatal error: unexpectedly found nil while unwrapping an Optional value

but when I go to my story, I see:

and when I click CELL, I see in its properties:

as well as:

so the ids for are CELLconfigured, but I still get this error.

What else can I do?

Answer 1

• In the storyboard, select the prototype cell
• alt+ cmd+ 4To open the Inspector attributes
• Write CELLin the box Identifier.

Then try again;)

Answer 2

[self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"CELL"];

.

Answer 3

Try

let cell = tableView.dequeueReusableCellWithIdentifier("CELL", forIndexPath: indexPath) as! SingleEventCell