gcode undefined feed rate error

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(gcode created by Fusion 360)
(Post processor file version: 1.3)
(Program name: Spur Gear Teeth.nc)
(Spur Gear)

(----- Machine Info-----)
(vendor: Inventables)
(model: Shapeoko 2)
(desc: descktop CNC router)

( ------ Tool Table ------)
(T1  Dia=0.125 CR=0 - ZMIN=-0.276 - flat end mill)

G90 G94
G17
(Imperial Units - inch)
G20
G54
G0 Z0.4

(Teeth Finish 2 3)
M9
(T1 M06 - not supported by Shapeoko/GRBL)
(Viper series, stealth coated)
S5000 M3
M9
G0 X2.8672 Y4.1598
Z0.4
Z0.069
G1 Z-0.0916 F5
Z-0.2635
X2.8668 Z-0.2663
X2.8659 Z-0.2689
X2.8644 Y4.1597 Z-0.2713
X2.8625 Z-0.2733
X2.8601 Y4.1596 Z-0.2748
X2.8574 Y4.1595 Z-0.2757
X2.8547 Y4.1594 Z-0.276
X2.8422 Y4.1591
G2 X2.8293 Y4.1713 I-0.0003 J0.0125
G3 X2.8156 Y4.2086 I-0.0625 J-0.0017 F10
X2.582 Y4.3328 I-0.2613 J-0.2097
G2 X2.5755 Y4.4115 I0.0033 J0.0399
G3 X2.7855 Y4.5725 I-0.0822 J0.3247
X2.7643 Y4.6559 I-0.0545 J0.0306
X2.503 Y4.6974 I-0.179 J-0.2831
G2 X2.4713 Y4.7697 I-0.0098 J0.0388
G3 X2.6177 Y4.9901 I-0.1832 J0.2805
X2.5707 Y5.0621 I-0.0615 J0.0112
X2.31 Y5.0167 I-0.0775 J-0.3259
G2 X2.2565 Y5.0747 I-0.0219 J0.0335
G3 X2.3234 Y5.3308 I-0.2644 J0.2058
X2.2555 Y5.3836 I-0.0618 J-0.0094
X2.0237 Y5.256 I0.0326 J-0.3334
G2 X1.9544 Y5.2935 I-0.0316 J0.0246
G3 X1.9344 Y5.5573 I-0.3169 J0.1088
X1.8531 Y5.5852 I-0.0554 J-0.0289
X1.6753 Y5.3893 I0.1391 J-0.3048
G2 X1.5975 Y5.4022 I-0.0378 J0.013
G3 X1.493 Y5.6454 I-0.335
X1.407 I-0.043 J-0.0454
X1.3025 Y5.4022 I0.2305 J-0.2431
G2 X1.2247 Y5.3893 I-0.04
G3 X1.0469 Y5.5852 I-0.3168 J-0.1088
X0.9656 Y5.5573 I-0.0259 J-0.0569
X0.9456 Y5.2935 I0.2969 J-0.1551
G2 X0.8763 Y5.2559 I-0.0378 J-0.013
G3 X0.6445 Y5.3836 I-0.2644 J-0.2058
X0.5766 Y5.3308 I-0.0061 J-0.0622
X0.6435 Y5.0747 I0.3312 J-0.0503
G2 X0.59 Y5.0167 I-0.0316 J-0.0246
G3 X0.3293 Y5.0621 I-0.1832 J-0.2805
X0.2823 Y4.9901 I0.0145 J-0.0608
X0.4287 Y4.7697 I0.3296 J0.06
G2 X0.397 Y4.6974 I-0.0219 J-0.0335
G3 X0.1357 Y4.6559 I-0.0823 J-0.3247
X0.1145 Y4.5725 I0.0334 J-0.0528
X0.3245 Y4.4115 I0.2922 J0.1637
G2 X0.318 Y4.3328 I-0.0098 J-0.0388
G3 X0.0844 Y4.2086 I0.0277 J-0.3339
X0.0915 Y4.1229 I0.0487 J-0.0391
X0.3424 Y4.0389 I0.2232 J0.2498
G2 X0.3618 Y3.9624 I0.0033 J-0.0399
G3 X0.1811 Y3.769 I0.1346 J-0.3068
X0.2157 Y3.6903 I0.0588 J-0.0212
X0.4803 Y3.6922 I0.13 J0.3087
G2 X0.5234 Y3.6261 I0.0161 J-0.0366
G3 X0.4153 Y3.3846 I0.2269 J-0.2465
X0.4736 Y3.3213 I0.0625 J-0.0009
X0.7232 Y3.4091 I0.0227 J0.3342
G2 X0.7855 Y3.3606 I0.0271 J-0.0294
G3 X0.7617 Y3.0971 I0.2946 J-0.1594
X0.8373 Y3.0562 I0.0594 J0.0194
X1.0449 Y3.2202 I-0.087 J0.3235
G2 X1.1196 Y3.1946 I0.0352 J-0.019
G3 X1.1826 Y2.9376 I0.3304 J-0.0551
X1.2675 Y2.9235 I0.0499 J0.0377
X1.4105 Y3.1461 I-0.1874 J0.2777
G2 X1.4895 I0.0395 J-0.0066
G3 X1.6325 Y2.9235 I0.3304 J0.0551
X1.7174 Y2.9376 I0.035 J0.0518
X1.7804 Y3.1946 I-0.2674 J0.2018
G2 X1.8551 Y3.2202 I0.0395 J0.0066
G3 X2.0627 Y3.0562 I0.2946 J0.1594
X2.1383 Y3.0971 I0.0162 J0.0604
X2.1145 Y3.3606 I-0.3184 J0.1041
G2 X2.1768 Y3.4091 I0.0352 J0.019
G3 X2.4264 Y3.3213 I0.2269 J0.2465
X2.4847 Y3.3846 I-0.0042 J0.0624
X2.3766 Y3.6261 I-0.335 J-0.0049
G2 X2.4197 Y3.6922 I0.0271 J0.0294
G3 X2.6843 Y3.6903 I0.1346 J0.3068
X2.7189 Y3.769 I-0.0243 J0.0576
X2.5382 Y3.9624 I-0.3152 J-0.1134
G2 X2.5576 Y4.0389 I0.0161 J0.0366
G3 X2.8085 Y4.1229 I0.0277 J0.3339
X2.8293 Y4.1713 I-0.0416 J0.0466
G2 X2.8415 Y4.1841 I0.0125 J0.0003 F5
G1 X2.854 Y4.1844
X2.8568 Y4.1845 Z-0.2757
X2.8594 Y4.1846 Z-0.2748
X2.8618 Y4.1847 Z-0.2733
X2.8637 Z-0.2713
X2.8652 Z-0.2689
X2.8662 Y4.1848 Z-0.2663
X2.8665 Z-0.2635
G0 Z0.4
M9
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