** ERROR 129062 ** The plunger travel time is negative. Enter an appropriate value in the Gas-assisted injection controller dialog and re-run the analysis.
The value for Plunger travel time, in the Gas-assisted injection controller dialog is invalid for one of the gas entrances.
To view the gas-assisted injection controller settings for each gas entrance, right-click on the gas entrance symbol and select Properties. Click Edit... in the Gas entrance dialog, then click Edit controller settings... and correct the entry for Plunger travel time.