出GERBER出现的问题

本人初学出GERBER,请高人指教下这种错误是什么意思,怎么解决?谢谢...
EVICE-TYPE GERBER6X00
OUTPUT-UNITS INCHES
FILM-SIZE 24000 16000
FORMAT 5.3
ABORT-ON-ERROR NO
SCALE 1
G-CODES NO
OPTIMIZE YES
STATIONS-PER-WHEEL 999
COORDINATES ABSOLUTE
SUPPRESS-LEAD-ZEROES YES
SUPPRESS-TRAIL-ZEROES NO
SUPPRESS-EQUAL YES
WARNING: database resolution exceeds the resolution of the
output coordinates (see FORMAT in parameter file).
Some roundoff of coordinates may occur unless the number
of decimal places in the output file is increased.

ARTWORK Error reading apertures.