Leon,
1.) try to set the "Queue Desicion" to "Next Operator.
This determines which operator decides where the SFC number should be queued after it completes this routing step
- Completing Operator
The operator completing the SFC number at this routing step determines where the SFC number is put in queue. - Next Operator
The operator at the next routing step determines where to start work on the SFC number. The SFC number is placed in queue at all the next routing steps and the first operator to start it controls where the SFC number is processed.
2. )As a second option you could check with a PAPI if the SFC is in queue at step e.g. Pack-RF and do a PlaceInQueueAtStep with a bypass and then you can run your regular things.
Roman