Arduino Grbl has not finished uploading. Getting error

Arduino: 1.8.15 (Windows 10), Board: "Arduino Uno"

In file included from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/grbl.h:43:0,

             from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL\examples\grblUpload\grblUpload.ino:27:

C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/nuts_bolts.h:51:0: warning: "max" redefined

#define max(a,b) (((a) > (b)) ? (a) : (b))

In file included from sketch\grblUpload.ino.cpp:1:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:93:0: note: this is the location of the previous definition

#define max(a,b) ((a)>(b)?(a):(b))

In file included from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/grbl.h:43:0,

             from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL\examples\grblUpload\grblUpload.ino:27:

C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/nuts_bolts.h:52:0: warning: "min" redefined

#define min(a,b) (((a) < (b)) ? (a) : (b))

In file included from sketch\grblUpload.ino.cpp:1:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:92:0: note: this is the location of the previous definition

#define min(a,b) ((a)<(b)?(a):(b))

In file included from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/grbl.h:43:0,

             from C:\Users\Protech\Documents\Arduino\libraries\MIGRBL\examples\grblUpload\grblUpload.ino:27:

C:\Users\Protech\Documents\Arduino\libraries\MIGRBL/nuts_bolts.h:55:0: warning: "bit" redefined

#define bit(n) (1 << n)

In file included from sketch\grblUpload.ino.cpp:1:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:124:0: note: this is the location of the previous definition

#define bit(b) (1UL << (b))

Sketch uses 29462 bytes (91%) of program storage space. Maximum is 32256 bytes.

Global variables use 1484 bytes (72%) of dynamic memory, leaving 564 bytes for local variables. Maximum is 2048 bytes.

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xd3

Problem uploading to board. See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xd3

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xd3

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

Correct COM port selected in the IDE?
Correct board selected in the IDE?

@saqibpaf

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