[求助]出NC ROUTE 警告，什么意思？

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( NC ROUTE LOG FILE )
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( Drawing : RVEP3C5_5mil.brd )
( Date/Time : Wed Oct 15 13:27:47 2008 )
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&nbsprocessing NC Parameters file ...
NC PARAMETERS
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FORMAT 3.5
MACHINE-OFFSET x:0.000000 y:0.000000
FEEDRATE 1
COORDINATES ABSOLUTE
OUTPUT-UNITS ENGLISH
TOOL-ORDER INCREASING
REPEAT-CODES YES
SUPPRESS-LEAD-ZEROES NO
SUPPRESS-TRAIL-ZEROES NO
SUPPRESS-EQUAL NO
TOOL-SELECT NO
HEADER none
LEADER 12
CODE ASCII
SEPARATE NO
OPTIMIZE_DRILLING NO
ENHANCED_EXCELLON NO
SCALE 1.000000
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&nbsprocessing route path data ...
WARNING: No route path data was found for processing.
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&nbsprocessing slot hole data ...
WARNING: Can't find NC Route bit file (ncroutebits.txt)!
Using T01 to route ALL route cuts.
WARNING: No toolcode of a size the same as or smaller than 31 found for an OVAL slot!
Defaulting to T01 as toolname.
WARNING: No toolcode of a size the same as or smaller than 31 found for an OVAL slot!
Defaulting to T01 as toolname.
WARNING: No toolcode of a size the same as or smaller than 31 found for an OVAL slot!
Defaulting to T01 as toolname.
OVAL slots routed: 3
RECTANGLE slots routed: 0
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NC Route file RVEP3C5_5mil.rou created WITH WARNINGS ... Program completed.
请教，什么意思，加急啊。