GRBL error: An error was detected while sending '$I': error: Bad number format. Streaming has been paused

Using Arduino Programming Questions
1

Hello. I'm new. I have already loaded the GRBL library on my arduino uno board. I have already connected my router to my laptop. My driver is A4988. I installed the Universal Gcode. It sends working signal, the router makes its movement, but it does not turn on to work. The axes do not move. Every time I click the connect button to detect my router, I get this error: An error was detected while sending '$I': error: Bad number format. Streaming has been paused. and it does not connect to the router.
I'm not entering a code. I open the universal gcode and click connect, but I immediately get the error and it does not move the makita 3709 axes. It was working until Monday. Nothing has changed. Only the axes stopped working. The error is new. I don't know what I can do. I will post the information from the console.
The console show this:

* Connecting to jserialcomm://COM4:9600
Grbl 0.8c ['$' for help]
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿerror: Expected command letter
>>> ?
ok
>>> $I
An error was detected while sending '$I': error: Bad number format. Streaming has been paused.
>>> $$
$0 = 250.000    (x, step/mm)
$1 = 250.000    (y, step/mm)
$2 = 250.000    (z, step/mm)
$3 = 10    (step pulse, usec)
$4 = 250.000    (default feed, mm/min)
$5 = 500.000    (default seek, mm/min)
$6 = 192    (step port invert mask, int:11000000)
$7 = 25    (step idle delay, msec)
$8 = 10.000    (acceleration, mm/sec^2)
$9 = 0.050    (junction deviation, mm)
$10 = 0.100    (arc, mm/segment)
$11 = 25    (n-arc correction, int)
$12 = 3    (n-decimals, int)
$13 = 0    (report inches, bool)
$14 = 1    (auto start, bool)
$15 = 0    (invert step enable, bool)
$16 = 0    (hard limits, bool)
$17 = 0    (homing cycle, bool)
$18 = 0    (homing dir invert mask, int:00000000)
$19 = 25.000    (homing feed, mm/min)
$20 = 250.000    (homing seek, mm/min)
$21 = 100    (homing debounce, msec)
$22 = 1.000    (homing pull-off, mm)
ok
>>> $G
[G0 G54 G17 G21 G90 G94 M0 M5 M9 T0 F250.000]
ok
>>> G21G91G1X1F10
>>> 
ok
ok
>>> G21G91G1X1F10
>>> 
ok
ok
>>> G21G91G1X1Y1F10
>>> 
ok
ok
Pendant URL: http://192.168.100.23:8080**** Connection closed ****

Could someone give me support?

2

$I

View Build Info

The error resulted when GRBL tried to send the BUild info to your system. At least that is what Google seems to tell me.

3

Okay. What can I do?

4

The error message looks like it’s telling you it needs a value as part of the command…
e.g. $I 123, or something like that.

5

Okay, what should I write? What value do I exchange?

6

Any GRBL documentation?

7

How do I obtain it?

8

There is a great deal of documentation on Grbl on the web.

Grbl $ commands >> https://github.com/gnea/grbl/blob/master/doc/markdown/commands.md

Grbl configuration commands >> https://github.com/gnea/grbl/blob/master/doc/markdown/settings.md

@Paul_KD7HB Sorry, I meant to reply to the OP.

9

I don't know if you still need it but i had the same problem. I fixed that compilating the v1.1h of grbl on the arduino and using it with 115200 bauds. And changed the program to GRBL-CONTROL-CANDLE .

10

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