When planning an event, always take into account the problems that may arise.You plan for months and months to make sure everything runs smoothly for your event . You are in regular contact with your speakers, you have worked with the caterers for many years and know they are reliable, and your guest list has far exceeded your expectations. So what could go wrong? Even the most experienced event planners have to deal with problems that arise during an event. But there are ways to plan for issues in advance.