chemkin和fluent耦合出问题

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请高手帮忙看看，我在chemkin和fluent耦合出问题，提示Reading "e:\fluent_work\hcng0.2\0.35_01.cas"...
    1676 quadrilateral cells, zone  2, binary.
     174 quadrilateral cells, zone  3, binary.
     295 quadrilateral cells, zone  4, binary.
     313 2D interior faces, zone 15, binary.
     526 2D interior faces, zone 14, binary.
       6 2D interior faces, zone 13, binary.
    3247 2D interior faces, zone 12, binary.
       4 2D wall faces, zone 10, binary.
      27 2D axis faces, zone  1, binary.
       5 2D axis faces, zone  5, binary.
     114 2D wall faces, zone  6, binary.
      64 2D wall faces, zone  7, binary.
       5 2D wall faces, zone  8, binary.
      59 2D wall faces, zone  9, binary.
      59 2D interior faces, zone 11, binary.
    2285 nodes, binary.
    2285 node flags, binary.

Building...
     grid,
     materials,
Error: second, %create-material: wrong type argument[1] (pair of strings)
Error Object: 1

Error: access: unbound variable
Error Object: get-var
请问这是为什么啊，谢谢大家！