iOS Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to

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剛接觸iOS，依照教程操作執行出現錯誤

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

解決的方法是加一句：

[self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:CellIdentifier]; 

加的位置是：

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
{ 
    static NSString *CellIdentifier = @"ListPrototypeCell"; 
    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:CellIdentifier]; 
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath]; 

    // config cell
　XYZToDoItem * toDoItem = [self.toDoItem objectAtIndex:indexPath.row];

    cell.textLabel.text = toDoItem.itemName;

   return cell; 
}

因為剛學習IOS,原因不明

iOS Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to