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Problem distinguishing between values

Hello all, I am having a very peculiar problem in that when I add an object named upcomingEvent of Class upcomingEventObject to the array at self.delegate.upcomingEventItems (with delegate being the property to access the global variables), I am actually accessing the object I added to the array rather than the objectAtIndex: i of the array. I know this because when I go to output a String property of the said object from the objectAtIndex:i of the array, I only print the string value of the object that I added to the array. The corresponding code is attached below. What could be causing this and how do I fix it?

    [self.delegate.upcomingEventItems addObject:self.upcomingEvent];

for (NSInteger i = 0; i<[self.delegate.upcomingEventItems count]; i++) {

    upcomingEventObject* upcomingEvent = [self.delegate.upcomingEventItems objectAtIndex:i];

    NSLog(@"Details: %@", [upcomingEvent.dateOfEvent.date description]);

Thank you