question

I have 4 identical robotic palletizer cells that require forklift operators to add new pallets and take away finished pallets. On twenty-four hour simulations, one or two of these palletizers will become 'Blocked' with space available on the output ports and with Current Content = 1. It's loaded the new pallet but will not begin Joining the flow items arriving from port 2. This line will remain blocked for the duration of the experiment.