地应力平衡报错Unrecognizable assembly set/id? 500

ansys建模并剖分网格，导入ABAQUS中进行地应力平衡时出现两处报错，管道底部设置一个球体，不设置的话可以计算。

 ***ERROR: in keyword *INITIALCONDITIONS, file "Job-2.inp", line 134014: 

          Unrecognizable assembly set/id 邢唷?

 ***ERROR: AN INITIAL CONDITION HAS BEEN SPECIFIED ON ELEMENT 0 BUT THIS 

           ELEMENT HAS NOT BEEN DEFINED