abaqus不支持*REBAR关键字吗？?

WARNING: The following keywords/parameters are not yet supported by the input file reader:

*REBAR

为什么会提示这种错误，我的关键字都是这样按教程来的

*Transverse Shear stiffness

1e+10,1e+10

*rebar,element=beam,material=steel,name=rebar-044

Y-beam300*900, 1114,125.000000,425.000000