https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/LAN/Arduino exit status 1 cannot declare variable 'server' to be of abstract type 'EthernetServer'
https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Base/LAN/Arduino
exit status 1
cannot declare variable 'server' to be of abstract type 'EthernetServer'