Why am I Getting Entity Arrival Failures at the End of Simulation?

After the model has simulated the following prompt is displayed.

Simulation Complete, Do you want to see the results? (NOTE: There were entity arrival failures due to insufficient capacity)
Simulation Complete, Do you want to see the results?
(NOTE: There were entity arrival failures due to insufficient capacity)

Reason

Entity arrivals were scheduled to arrive. But because of limited capacity at the arrival location, they could not enter the model.

Solution

Make sure you have a large enough capacity and/or input queue on the first activity following the arrival. Also make sure you haven’t assigned a shift to the activity that would cause the activity to be off shift when entities are scheduled to arrive.

Another way to avoid this message is to place a storage with sufficient capacity at the arrival location to act as a collection queue.

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