ERROR
BLOCK FLASH2 IS NOT IN MASS BALANCE:
MASS INLET FLOW = 0.28600025E+01, MASS OUTLET FLOW = 0.28154419E+01
RELATIVE DIFFERENCE = 0.15827215E-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.