ANSYS双向流固耦合system coupling中报错

如图，双向流固耦合报错 第一条是：system coupling run completed with errors. fluent reported:fluent encountered fatal error after sync point solve:cortex received a fatal signal（unrecognized signal）. 第二条是：a solver failure occured during the run in the fluent system 求大神解答，希望能交流讨论出结果～ [图片]