You can begin by clicking the clear orders button on the civ shipping list. Second, check carefully the orders: I often set a supply, and go to the destination, but forget to change the good, which always resets to Automated mines. My brain just doesn't notice it either. The next day I play is when I usually identify the mistake. So you have 150 maitenence facilities on supply, and 150 automines on demand. Nothing happens.
Provide more details of the problem.
