麻烦请教一下我们用Autodesk后处理生成的程序在828D系统可以完全执行没任何报警，但是在老的810D系统就会有12550报警说 N11 WORKPIECE not defined, 程序如下，请问需要怎样修改相关程序段呢？ 谢谢

; %_N_BANG_MPF
N10 ; T="CENTRE DRILL 10" D=10 CR=0 TAPER=118deg - ZMIN=-0.5 - spot drill
N11 WORKPIECE(,,,"BOX",112,0,-3.175,80,384.5,158.595,-384.5,-158.595)
N12 G90 G94
N13 G71
N14 G64
N15 G17
N16 G0 SUPA Z0 D0

N17 ; Drill1
N18 T="CENTRE DRILL 10" D1
N19 M6
N20 S5000 M3
N21 G54
N22 G0 X47.1 Y80.805
N23 G0 Z15
N24 M8
N25 G17
N26 F153.3
N27 MCALL CYCLE81(5, 0, 1, -0.5, )