链选曲线时出现问题，求教

zongmao.yang

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我在做加工时链选边界曲线时，出现这种报警：
. L' l+ W# G* s/ D# ^1 f
receive an error 1770002
file 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.

不知是何问题？请高手指点。