大變形仿真中出現了這個錯誤，怎么解決？
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*** Error 20392 (STR+392)
Rigid body ID 3 contains node number 11
already used in a rigid/nodal rigid body body definition.
*** Error 20392 (STR+392)
Rigid body ID 4 contains node number 4
already used in a rigid/nodal rigid body body definition.
俠 
