In STM32F103, CAN data was not sent. Help Me

[RSing.12]

I received CAN data successfully but when I send CAN data, there was some error shown.

My Code is,

https://drive.google.com/file/d/1g67-LwlqfaCf8QpeAptYLtTEByo_R9nr/view?usp=sharing

[Javier1]

Come on man, your code is in a pdf file without any format.

If you want people to help take 1 minute to explain it or to lay it out....

What kind of developing ide are you using , are you using arduino and a bluepill?

Explain your setup a bit, how are you testing it? how do you know its failing? where is that log captured image comming from.?

[RSing.12]

I'm using STM32F103 Controller and MCP2551 module.

It's not a blue pill board but it's almost similar.

I'm using Arduino IDE for boot loading the controller.