Error :Cmd_Read_Act();

Hello,

I am new to Arduino and I am getting this error: Cmd_Read_Act();.
Would you please be so kind to advice on this one please?
I am attaching the file.

Thank you

SoftwareSerialExample_test_1.ino (2.24 KB)

I found more info in my error:
Arduino: 1.8.9 (Windows Store 1.8.21.0) (Windows 10), Board: "Arduino/Genuino Uno"

C:\Users\owner\Documents\Arduino\SoftwareSerialExample_test_1\SoftwareSerialExample_test_1.ino: In function 'void loop()':

SoftwareSerialExample_test_1:73:18: error: 'Cmd_Read_Act' was not declared in this scope

Cmd_Read_Act();

^

SoftwareSerialExample_test_1:74:22: error: 'clearBufferArray' was not declared in this scope

clearBufferArray();

^

exit status 1
'Cmd_Read_Act' was not declared in this scope

Invalid library found in C:\Users\owner\Documents\Arduino\libraries\from_led9_test: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\from_led9_test
Invalid library found in C:\Users\owner\Documents\Arduino\libraries\prectice: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\prectice
Invalid library found in C:\Users\owner\Documents\Arduino\libraries\smsLed9: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\smsLed9
Invalid library found in C:\Users\owner\Documents\Arduino\libraries\from_led9_test: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\from_led9_test
Invalid library found in C:\Users\owner\Documents\Arduino\libraries\prectice: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\prectice
Invalid library found in C:\Users\owner\Documents\Arduino\libraries\smsLed9: no headers files (.h) found in C:\Users\owner\Documents\Arduino\libraries\smsLed9

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

The error message told the truth. You are calling functions that were never declared. Where did this code come from?

thank you replaying. this what I am doing, I took a base code from Arduino plus I am inserting another code where I want to turn on an LED via text. If declare it it should work then? the thing is that I am not sure what I should declare.

Techvic22:
I took a base code from Arduino

Where did you get this "base code"?

Techvic22:
If declare it it should work then?

If you declare and define those functions correctly, then yes it will work.

Techvic22:
the thing is that I am not sure what I should declare.

Me neither, because you haven't provided enough information. You found some code somewhere, but you won't say where. You made some changes to that code, but since I can't see the original code I can't tell what the changes were.

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