A 32-year-old Indian male presents with a laceration to his forearm sustained 6 weeks ago. On examination, the wound has healed but the scar is notably widened, atrophic, and has a characteristic "cigarette paper" appearance. His medical history reveals hypermobile joints and hyperextensible skin. The phase of wound healing marked **C** in the diagram involves replacement of weaker collagen with stronger collagen. Which of the following best explains the poor scar quality in this patient?