大家帮我分析一下这个材料非线性的卡片错误

原卡片
NLPARM 1 50 ITER 1 25 P YES
NLSTRAT 1 AIMAXINC 50
$ Direct Text Input for Bulk Data
$ Elements and Element Properties for region : specimen
PSHELL 1 1 1. -1
改后卡片
NLPARM 1 50 ITER 1 25 U YES
0.001
NLSTRAT 1 AIMAXINC 50
$ Direct Text Input for Bulk Data
$ Elements and Element Properties for region : specimen
$PSHELL 1 1 1. -1
$PSHLN1 1
PLPLANE 1 1
PSHLN2 1 1 1 1.0
C4 PSTRS L
f06中提示错误
*** USER INFORMATION MESSAGE 323 (IFPS600)
NLSTRAT bulk data entry will be ignored.
User Information: This entry is only recognized in SOL 600/700
*** USER FATAL MESSAGE 307 (IFPDRV)
ILLEGAL NAME FOR BULK DATA ENTRY PSHLN2
我用了600求解器后还是没有结果，高手帮我分析一下PSHLN2这个卡片，我用的是2006版nastran
PSHLN2 1 1 1 1.0
C4 PSTRS L