After the project charter's approval, the project manager needs to work on detailed project requirements, constraints, and assumptions with stakeholders. However, not all of the stakeholders are immediately avallable for a meeting in the short term_ What should the project manager do in order to gather the information needed from stakeholders? Escalate to the project sponsor that not all stakeholders are available for a meeting. Meet with the project management team to build the project management plan before consulting stakeholders Email, call, or meet with each stakeholder separately to obtain their input. Conduct a meeting to build the project management plan with the stakeholders who are available