xCode label isn't updating - xcode4.5

Question

I've checked all the articles I could on this, and I can't figure out how to fix this.
I'm writing an app that will take the information from a picker (which has two columns) and populate that into a label after a button is pressed. There are no crashes or anything. The only thing in the log is a line that says:
Unknown class ***PickerView in Interface Builder file.
I've attempted clearing the build and 4 other suggestions I found searching around, and I can't get rid of that. PickerView is in the compile sources.
Here is the code for the label updating (just ignore what I commented out, the spacing on iPhone vs the xib were different):
-(IBAction)buttonPressed
{
NSInteger jobRow = [doublePicker selectedRowInComponent:kJobsList];
NSInteger hourRow = [doublePicker selectedRowInComponent:kHoursList];
NSString *job = [jobTypes objectAtIndex:jobRow];
NSString *hour = [hoursTypes objectAtIndex:hourRow];
NSString *message = [[NSString alloc] initWithFormat:#"%# %#", job, hour];
int /*one=0, two=0,*/ three=0, four=0, five=0, six=0;
bool done = YES;
while(!done)
{
/*if(one == 0)
{
label1.text = message;
one = 1;
done = NO;
break;
}
if(two == 0)
{
label2.text = message;
two = 1;
done = NO;
break;
}*/
if(three == 0)
{
self.label3.text = message;
[label3 setNeedsDisplay]; // This is a line of something I found online to try
three = 1;
done = NO;
break;
}
if(four == 0)
{
self.label4.text = message;
four = 1;
done = NO;
break;
}
if(five == 0)
{
self.label5.text = message;
five = 1;
done = NO;
break;
}
if(six == 0)
{
self.label6.text = message;
six = 1;
done = NO;
break;
}
}
}
Any suggestions?