Membership locations that are assigned on the schedule tab may still show up as To Be Determined (TBD) on the Activities List. This article will link you to two possible solutions.
Important Note:
Before you try 2 (navigate to Advanced > Facility Access setting), go through Solution 1 (Conflict Override). If Solution 1 works for you, there is no reason to troubleshoot through Solution 2.Instructions
Solution 1: Apply Conflict Override
Solution 2: Configure Facility Access
Note: Only use this solution only if Solution 1 does not solve your problem.