In project management, as long as things move the way they are envisaged, there is no problem. If there is a hurdle, however, the project manager is expected to respond in the least time possible. This hurdle may be either technical or human, and in either case, arriving at the best alternative or finding the exact error requires absolute openness and being in the present moment.
A project manager's inability to be open and receptive can become a block in finding creative solutions to the problems that crop up. It's like the following story: