Most challenging aspects of team coordination?

We are building a collaborative operation platform for legacy industries. We are closely working on logistics and supply chain management. If you have experience in that field: 1)What are the most challenging aspects of coordination during day-to-day operations? 2) Regarding the flow of information in logistics & supply chain management, where do you see the biggest bottlenecks or inefficiencies? 3) Could you describe the coordination and communication hurdles your team encounters when coordinating multi-modal transport and what are current solutions you're using for seamless operations?