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.