求教各位大佬，这里应该如何解决比较好呢

科研使我快乐

请教各位大佬，这里如何解决比较好呢，真心求教啊

   Block: DIST     Model: RADFRAC
  *** SEVERE ERROR
      A LIQUID FEED/PUMPAROUND TO THE TOP STAGE IS REQUIRED WHEN
      "Q1=0" IS SPECIFIED IN "COL-SPECS"; REQUIRED FEED/PUMPAROUND
      HAS ZERO FLOW.

  *   WARNING
      REST OF BLOCK BYPASSED DUE TO SEVERE ERROR.


   Block: HEATER   Model: HEATX
  *   WARNING
      AT LEAST ONE FEED HAS ZERO FLOW
      BLOCK BYPASSED

小鸽子

原谅没看懂