*** Assertion failure in -[UITableView _dequeueReusableCellWithIdentifier:forIndexPath:usingPresentationValues:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit/UIKit-3694.4.18/UITableView.m:7732
*** 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'

let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)

tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")