Unexpectedly found nil while unwrapping optional value [duplicate]

Answer 1

I faced the same problem with this code

if(!placeholderColor.isEqual(nil))
 {
   self.attributedPlaceholder = NSAttributedString(string: self.placeholder!, attributes: [NSForegroundColorAttributeName : placeholderColor])
 }

and solved by this

if let placeColor = placeholderColor
 {
   self.attributedPlaceholder = NSAttributedString(string: self.placeholder!, attributes: [NSForegroundColorAttributeName : placeColor])
 }