problematic issue

noun
  1. A matter or situation that presents difficulties or complications, often requiring careful consideration or resolution. noun
    The problematic issue of climate change requires urgent global cooperation.
    The committee spent hours debating the problematic issue of budget cuts.
  2. A topic or subject that is controversial or contentious, often leading to disagreement or debate. noun
    The problematic issue of privacy versus security is a frequent topic in public discourse.
    The new policy has become a problematic issue among employees, sparking heated discussions.