求助！转gerber的问题

转gerber时 出现下边提示，就是转不出来！怎么办？请高手指教！
Can't open parameter file ... using default values:
DEVICE-TYPE GERBER6X00
G-CODES NO
STATIONS-PER-WHEEL 24
FILM-SIZE 24000 16000
COORDINATES ABSOLUTE
OUTPUT-UNITS INCHES
FORMAT 5.3
ABORT-ON-ERROR abort film & continue
SUPPRESS-LEAD-ZEROES YES
SUPPRESS-TRAIL-ZEROES NO
OPTIMIZE YES
SUPPRESS-EQUAL YES
SCALE 1.0

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.