problems, symbol

issues, problems, challenges, concerns, difficulties, obstacles, conflicts, risks, errors, faults, defects, failures, complications, complaints, disputes, shortages, delays, gaps, weaknesses, limitations, threats, uncertainties, setbacks, barriers, flaws, mistakes, troubles, crises, dilemmas, inefficiencies, bottlenecks, anomalies, inconsistencies, vulnerabilities, malfunctions, interruptions, shortcomings, drawbacks, pressures, tensions