链选曲线时出现问题，求教

zongmao.yang

http://file:///C:/Documents%20and%20Settings/User/My%20Documents/My%20Pictures/ALARM

我在做加工时链选边界曲线时，出现这种报警：
5 ~3 a& k) s9 u+ K; p4 P/ g1 y
receive an error 1770002
9 G' F6 X5 m. rfile name: o:ugnx40\ip21\src\camsmom\no\ind\mom_tcl_definitions.c, line number:496
error message: MOM_TCL: Interpreter returned error when doing event.
5 g8 ]- Z6 B- I; n
, X! k, _' R4 Z- e* |不知是何问题？请高手指点。