LWM2M_CARRIER_EVENT_ERROR

#define LWM2M_CARRIER_EVENT_ERROR   20

#include <lib/bin/lwm2m_carrier/include/lwm2m_carrier.h>

This event indicates an error. This event is just for your information, no logic is needed in the application to resolve the error. During development this likely indicates a misconfiguration that needs to be resolved.

lwm2m_carrier_event_t::data contains lwm2m_carrier_event_error_t to indicate what triggered the error using lwm2m_carrier_error_values.