+ LTTNG_ERR_EVENT_NOTIFIER_REGISTRATION = 166, /* Error registering event notifier to the tracer. */
+ LTTNG_ERR_EVENT_NOTIFIER_ERROR_ACCOUNTING = 167, /* Error initializing event notifier error accounting. */
+ LTTNG_ERR_EVENT_NOTIFIER_ERROR_ACCOUNTING_FULL = 168, /* Error event notifier error accounting full. */
+ LTTNG_ERR_INVALID_ERROR_QUERY_TARGET = 169, /* Invalid error query target. */