** ERROR
BLOCK B13 IS NOT IN MASS BALANCE:
MASS INLET FLOW = 0.34451074E+03, MASS OUTLET FLOW = 0.33475193E+03
RELATIVE DIFFERENCE = 0.29152370E-01
MAY BE DUE TO A TEAR STREAM OR A STREAM FLOW MAY HAVE BEEN
CHANGED BY A CALCULATOR, TRANSFER, BALANCE, OR CONVERGENCE BLOCK
AFTER THE BLOCK HAD BEEN EXECUTED.