Hello I'm trying to communicate two L432KC between them by CAN Bus, but I can't because it seems that the mailboxes are full and the HAL_CAN_ERROR_PARAM stops the program. How can I fix it?Thank you very much

Hi, I´m trying to communicate two blue pills between them using CAN bus, but when I try to run it, it doesn´t even finish the start up, because I tried to use a blink program selecting the CAN in the .ioc and not using it and doesn´t work.Does anyone...