A project manager discovers that two different teams working on related project components have developed incompatible technical approaches. The incompatibility wasn't discovered until integration testing began. What should the project manager do FIRST?

Determine which team's approach is technically superior and require the other team to adapt

Require both teams to start over with a coordinated approach

Assess the impact of the incompatibility and evaluate options for resolution, including technical and schedule implications

Escalate the technical incompatibility to senior management for resolution