Trying to compile demo from Sparkfun. It compiles properly with Arduino software. I'm new to Arduino. Not sure what I need to modify in the library. https://github.com/sparkfun/CAN-Bus_Shield Text from the demo code: "This example sketch works with the CAN-Bus shield from SparkFun Electronics. It enables the MCP2515 CAN controller and MCP2551 CAN-Bus driver, and demos using the chips to communicate with a CAN-Bus. Resources: Development environment specifics: Developed for Arduino 1.6.5 Based off of original example ecu_reader_logger by: Sukkin Pang SK Pang Electronics www.skpang.co.uk" Error