各位大侠，在flac5.0中建完模型，运行时总出现下面这样的话
>prop s=0.551e9 b=3.264e9 d=2300 fri=22.8 coh=0.5e6 ten=0.17e6 i 1 291 j 1 57
Warning ! shear_mod not accepted by 63 zone(s)
that contain inappropriate or null models
请各位帮忙解释下怎么回事？谢谢！！
附录：模型为：
new
grid 290 130
m m
gen 0,0 0,56 290,47 290,0 i 1 291 j 1 57
gen 0,56 0,81 290,70 290,47 i 1 291 j 57 83
gen 0,81 0,94 290,89 290,70 i 1 291 j 83 94
gen 0,94 0,116 290,111 290,89 i 1 291 j 94 116
gen 0,116 0,130 290,130 290,111 i 1 291 j 116 131
table 1 80,130 87,114 117,113.5 124,100 149,100 156,85 160,85 &
181,85 185,74 211,73.5 217,58.5 242,57.6 &
246,47.5 290,47.2 290,130 80,130
gen table 1
m nul reg 85 129
prop s=0.551e9 b=3.264e9 d=2300 fri=22.8 coh=0.5e6 ten=0.17e6 i 1 291 j 1 57
