@kersing I was able to build it, and now I’m getting the error which is the title of this thread.
10:26:41 *** Multi Protocol Packet Forwarder for Lora Gateway ***
Version: 3.0.20
10:26:41 *** Lora concentrator HAL library version info ***
Version: 5.0.1; Options: native;
***
10:26:41 INFO: Little endian host
10:26:41 INFO: found global configuration file global_conf.json, parsing it
10:26:41 INFO: global_conf.json does contain a JSON object named SX1301_conf, parsing SX1301 parameters
10:26:41 INFO: lorawan_public 1, clksrc 1
10:26:41 INFO: no configuration for LBT
10:26:41 INFO: antenna_gain 0 dBi
10:26:41 INFO: Configuring TX LUT with 16 indexes
10:26:41 INFO: radio 0 enabled (type SX1257), center frequency 904300000, RSSI offset -166.000000, tx enabled 1
10:26:41 INFO: radio 1 enabled (type SX1257), center frequency 905000000, RSSI offset -166.000000, tx enabled 0
10:26:41 INFO: Lora multi-SF channel 0> radio 0, IF -400000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 1> radio 0, IF -200000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 2> radio 0, IF 0 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 3> radio 0, IF 200000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 4> radio 1, IF -300000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 5> radio 1, IF -100000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 6> radio 1, IF 100000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora multi-SF channel 7> radio 1, IF 300000 Hz, 125 kHz bw, SF 7 to 12
10:26:41 INFO: Lora std channel> radio 0, IF 300000 Hz, 500000 Hz bw, SF 8
10:26:41 INFO: FSK channel 8 disabled
10:26:41 INFO: global_conf.json does contain a JSON object named gateway_conf, parsing gateway parameters
10:26:41 INFO: gateway MAC address is configured to B827EBFFFE15F6CB
10:26:41 INFO: Found 1 servers in array.
10:26:41 INFO: Server 0 configured to "router.us.thethings.network"
10:26:41 INFO: packets received with a valid CRC will be forwarded
10:26:41 INFO: packets received with a CRC error will NOT be forwarded
10:26:41 INFO: packets received with no CRC will NOT be forwarded
10:26:41 INFO: GPS is disabled
10:26:41 INFO: Upstream data is enabled
10:26:41 INFO: Downstream data is enabled
10:26:41 INFO: Ghoststream data is disabled
10:26:41 INFO: Radiostream data is enabled
10:26:41 INFO: Statusstream data is enabled
10:26:41 INFO: Beacon is disabled
10:26:41 INFO: Packet logger is disabled
10:26:41 INFO: Flush output after statistic is disabled
10:26:41 INFO: Flush after each line of output is disabled
10:26:41 INFO: Watchdog is disabled
10:26:41 INFO: [Transports] Initializing protocol for 1 servers
10:26:42 INFO: Successfully contacted server router.us.thethings.network
10:26:42 INFO: [main] Starting the concentrator
10:26:42 ERROR: [main] failed to start the concentrator