replace the line code
TweetCell *cell = [tableView dequeueReusableCellWithIdentifier:@"myCell"];
if (!cell)
{
[tableView registerNib:[UINib nibWithNibName:@"TweetCell" bundle:nil] forCellReuseIdentifier:@"myCell"];
cell = [tableView dequeueReusableCellWithIdentifier:@"myCell"];
}
with the below code
TweetCell *cell = [tableView dequeueReusableCellWithIdentifier:@"myCell"];
if (!cell)
{
NSArray *nibs =[[NSBundle mainBundle] loadNibNamed:@"TweetCell" owner:self options:NULL];
cell = [nibs firstObject];
}