Why can't I exit a position that was opened by a profit-sharing service?
You cannot manually exit a position if it has been opened by a profit-sharing service. This is set this way to allow the trader to manage their entire allocation balance as it fits with their specific strategy.
This article: Understanding Profit Sharing can be helpful to review as it covers the specific details on Profit-Sharing.
Connecting to a Signal Provider may be a great choice if you prefer to have more control over your positions.