gerber 遇到的问题

我出gerber的时候出现这样的问题，为何出了不呢？
刚开始能出的，后来修改了一些线加了些电阻后就出不了了，不知道为何？
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( ARTWORK LOG )
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( Drawing : CAV226_A1_0717.brd )
( Software Version : 15.2s019 )
( Date/Time : Thu Jul 17 23:54:16 2008 )
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WARNING: DRC OUT OF DATE on this layout.
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---- Photoplot outline rectangle not found ... using drawing extents

Thu Jul 17 23:54:16 2008 &nbspage 1
Photoplot log file
Results from parameter file ...
DEVICE-TYPE GERBER6X00
OUTPUT-UNITS INCHES
FILM-SIZE 2400000 1600000
FORMAT 3.5
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
Thu Jul 17 23:54:16 2008 &nbspage 1
Photoplot log file
Results from aperture table ...

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SUMMARY:
*** ERROR with TOP.art
GND02.art created with warnings
ART03.art created with warnings
POWER05.art created with warnings
BOTTOM.art created with warnings
ASSEMBOTM.art created with warnings
ASSEMTOP.art created with warnings
PASTEBOTM.art created with warnings
PASTETOP.art created with warnings
SILKTOP.art created with warnings
SILKBOTM.art created with warnings
SOLDBOTM.art created with warnings
SOLDTOP.art created with warnings
DRILL.art created with warnings
art04.art created with warnings
ARTWORK Error processing film.