byte macData[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; // <-- FILL IN YOUR Ethernet shield's MAC address here.
Assuming the comment is correct, you missed that step.
byte macData[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; // <-- FILL IN YOUR Ethernet shield's MAC address here.
Assuming the comment is correct, you missed that step.