*** SEVERE ERROR
COLUMN SPECS RESULT IN NEG. OR ZERO
INTERNAL FLOW TO TOP OR BOTTOM STAGE.
* WARNING
REST OF BLOCK BYPASSED DUE TO SEVERE ERROR.
** ERROR
BLOCK B4 IS NOT IN MASS BALANCE:
MASS INLET FLOW = 0.13569752E+01, MASS OUTLET FLOW = 0.00000000E+00
ABSOLUTE DIFFERENCE = 0.13569752E+01