During the execution of a project, an experienced team member informs the project manager that they cannot take part in all of the scheduled project activities due to

a conflicting operational schedule. What should the project manager do$?$

Discuss the situation with the team member's functional manager to see if the schedule can be adjusted.

Replace the team member with another available resource on the team.

Check with the project management office $($PMO$)$ on the available resources to complete the activities.

Encourage the team member to prioritize scheduled project activities.