Ask a question in the Challenge Message Center
Solvers can ask Challenge-related questions in the Challenge Message Center and receive a response from a Challenge Manager.

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Open the Challenge you’re trying to solve. 
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Click the Messages tab. 
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Enter your question. 
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Click Submit. 
Once the Challenge Manager has responded to your question, you will receive a notification.
Tip: If you haven't received a notification, you can always check the Message tab for updates.