Use 'imbroglio' when multiple people are confused and there's no clear direction. The scheduling overlap created an imbroglio among the event planners.
Pro Tip 2/3
Not Just Errors
'Imbroglio' implies a knotted situation, not just a simple mistake or error. What started as a small typo led to a full-blown contractual imbroglio.
Pro Tip 3/3
Serious Conflicts
It often denotes serious misunderstandings, not everyday conflicts. The miscommunication between the countries escalated into a diplomatic imbroglio.