请教高手－NC Route出错

看了论坛上知道NC Route出椭圆，方形焊盘，还有些不明白，不知道具体怎么做，哪为高手可以指点一下，网上看有人加个ncroutebits.txt文件，添加后提示以下，还有就是cutting path怎么回事?
Processing NC Parameters file ...
NC PARAMETERS
-------------
FORMAT     2.3
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
-------------------------------------------------------------
Processing route path data ...
WARNING: No route path data was found for processing！
-------------------------------------------------------------
Processing slot hole data ...
Processing tool file (ncroutebits.txt) ...
NOTE: All units are assumed to be inches.
0.6 T200
0.65 T201
0.7 T202
0.75 T203
0.8 T204
0.85 T205
0.9 T206
0.9271 T207
0.95 T208
1 T209
1.05 T210
1.1 T211
1.15 T212
1.2 T213
1.25 T214
1.3 T215
1.35 T216
1.4 T217
1.45 T218
1.5 T219
1.55 T220
1.6 T221
1.65 T222
1.7 T223
1.75 T224
1.8 T225
1.85 T226
1.8542 T227
1.9 T228
1.95 T229
2 T230
2.05 T231
2.1 T232
2.15 T233
2.2 T234
2.25 T235
2.3 T236
2.35 T237
2.4 T238
No errors found.
WARNING: No toolcode of a size the same as or smaller than 39 found for an OVAL slot！
          Defaulting to T01 as toolname.
WARNING: No toolcode of a size the same as or smaller than 39 found for an OVAL slot！
          Defaulting to T01 as toolname.
WARNING: No toolcode of a size the same as or smaller than 39 found for an OVAL slot！
          Defaulting to T01 as toolname.
OVAL      slots routed: 3
RECTANGLE slots routed: 0
-------------------------------------------------------------
NC Route file BDPCB12.rou created WITH WARNINGS ... Program completed.