Maintenance WO - Execute Operations out of sequence

Summary: In Oracle SCM we have a few select users (primarily team leads) that manage the work orders for our organisation. The technicians use Field Service that via an integration will close the associated operation in the work order. Our biggest issue is that the activities (one per operation) can be executed out of sequence in Field Service but not in the Maintenance Module. When this happens e.g. the activity in Field service associated with operation 20 is completed it does not update as completed in the Maintenance Module. Instead, we receive a fault via a custom report. We then have