diff --git a/src/log.h b/src/log.h
index d1b159e..b5d6834 100644
--- a/src/log.h
+++ b/src/log.h
@@ -161,6 +161,8 @@
     LYVE_SUCCESS = 0,  /**< no error */
     LYVE_SYNTAX,       /**< generic syntax error */
     LYVE_SYNTAX_YANG,  /**< YANG-related syntax error */
+    LYVE_REFERENCE,    /**< invalid referencing or using an item */
+    LYVE_SEMANTICS     /**< generic semantic error */
 } LY_VECODE;
 
 /**