Your project is one of several in a program. At a program-level meeting, you learn information regarding the solution that another project is implementing. You believe you've identified some problems with the proposed solution. This is especially concerning to you because your project has dependencies on this other project's solution. You approach the project manager for this other project and share your concerns. The other project manager thanks you for your input, but you eventually discover he proceeded with the solution as planned. What should you do