1 files changed, 2 insertions, 0 deletions

diff --git a/src/errors.h b/src/errors.h
index 871711b..eb83e52 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -23,6 +23,8 @@ typedef enum ErrorValue {
     ERR_NOT_A_BOOL,
     ERR_NOT_A_LPAREN,
     ERR_NOT_A_RPAREN,
+    ERR_SYMBOL_REDEF,
+    ERR_UNKNOWN_SYMBOL,
     ERR_OK,
 } ErrorValue;