dyna做头碰仿真出错

狂蜂浪蝶1234

LS-DYNA进行头碰仿真分析，在ANSA中做好前处理，导出K文件，计算出现如下错误，请各位大神帮忙解释一下以及如何解决。
Warning 20282 (STR+282)
     warpage angle of element ID= 1027625 is computed as 2.3281E+01 degrees.
Error 20393 (STR+393)
     Nodal rigid body ID 1089592 contains node ID 1277715
     already used in a rigid body/nodal rigid body definition.
Warning 30313 (INI+313)
     Number of warning messages for rigid bodies
     Have a principal inertia at least 4 orders of magnitude apart=           1
     2-noded nodal rigid body is deleted due to massless node     =           0
     Nodal rigid body deleted due to null inertia tensor          =           0
Warning 30131 (INI+131)
     total number of massless nodes = 83
Error 30006 (INI+6)
     initialization completed with 126 or more fatal errors
     please check messag file

yanguanbao225

"Nodal rigid body ID 1089592 contains node ID 1277715
     already used in a rigid body/nodal rigid body definition"两个刚体共用节点号1277715