A Project Manager is unable to edit Resource Allocation for Other Work instances.
When he goes to the Resource Allocation > Details tab for a specific resource, he can edit the allocation cells for projects, but not for other work instances.
The Project Manager does have all Resource Booking rights. Is there any specific access right required?
The Project Manager does not have any Other- Work related access rights.
Resource Booking rights are required in order to modify the resource allocation.
Additionally, in order to edit allocation for Other Work instances, the minimum access needed is Other Work - Approve - All