Please analyze the tweet "@WestHamUtd why does the ticket website never work? Trying to buy Palace tickets and it's impossible and says there's an error" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anger, disgust, pessimism