Hello there, experimenting with the EK-RA6M4 CAN example while its connected to an ESP32 and MCP2515 transceiver. Below is the error i got on RTT viewer:

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  • Hello Torpedod,

    Thanks for reaching out Renesas Community!

    First of all, can you please send the schematics of your circuit and the connections between the EK-RA6M4, ESP32 and MCP2515 transceiver?

    Also, on the demo project there are some error flags inside the can_callback function:

    Please, try to add breakpoints on these flags during debugging, in order to check if something of these flags are set during execution and find your issue's reason.