diff --git a/includes/lem_in.h b/includes/lem_in.h
index 6898070..e03ddad 100644
--- a/includes/lem_in.h
+++ b/includes/lem_in.h
@@ -6,13 +6,12 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/03/23 17:31:19 by tmaze             #+#    #+#             */
-/*   Updated: 2019/04/11 10:50:04 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/11 12:47:51 by mndhlovu         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef LEM_IN_H
 # define LEM_IN_H
-
 # include "libft.h"
 # include "limits.h"
 
@@ -104,7 +103,7 @@ int					lm_add_vertex(t_lmdata *ldata, char *raw, char flag
 int					lm_ext_conn(t_holder *holder, t_lmdata *data
 							, char *raw);
 int					lm_find_index(t_lmdata *data, char *str);
-
+void				lm_clear_unv(t_holder *holder);
 int					lm_get_value(char *line);
 void				lm_get_cmd_vert(int count, t_syntax *synt
 							, t_lmdata *ldata, char *line);
diff --git a/srcs/lem_in.c b/srcs/lem_in.c
index a04b3fd..a9a4ff8 100644
--- a/srcs/lem_in.c
+++ b/srcs/lem_in.c
@@ -6,7 +6,7 @@
 /*   By: mndhlovu <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/03/25 06:31:05 by mndhlovu          #+#    #+#             */
-/*   Updated: 2019/04/11 10:50:40 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/11 12:48:07 by mndhlovu         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -41,10 +41,13 @@ static int		lem_in(t_syntax *synt, t_holder *holder,
 {
 	if (!(lm_parser(synt, lmdata, holder)))
 		return (0);
+	if (!(lm_verify_cmd(synt, holder, data)))
+		return (0);
 	if (!lst_indinit(lmdata))
 		return (0);
 	if (!(lm_adj_parser(lmdata, holder)))
 		return (0);
+	lm_clear_unv(holder);
 	if ((*ret = edmunds_karp(lmdata, get_node_role(lmdata, 's')->ind
 							, get_node_role(lmdata, 'e')->ind)) == NULL)
 		return (0);
diff --git a/srcs/lm_check_errors.c b/srcs/lm_check_errors.c
index dc1df1a..3fd5942 100644
--- a/srcs/lm_check_errors.c
+++ b/srcs/lm_check_errors.c
@@ -6,7 +6,7 @@
 /*   By: mndhlovu <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/02 08:39:09 by mndhlovu          #+#    #+#             */
-/*   Updated: 2019/04/08 15:43:01 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/11 12:48:13 by mndhlovu         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -25,10 +25,28 @@ int                lm_check_room_before(char **tab, t_syntax *synt)
     return (1);
 }
 
-int             lm_verify_cmd(t_syntax *synt)
+void            lm_clear_unv(t_holder *holder)
 {
-	if (synt->s_cmd && synt->e_cmd && synt->v_error
-			&& synt->l_error && synt->e_error)
+	t_temp		*data;
+	t_temp		*flush;
+
+	data = holder->data;
+	while (tmp)
+	{
+		flush = data;
+		data = data->next;
+		free(flush);
+		flush = NULL;
+	}
+	holder->data = NULL;
+}
+
+int             lm_verify_cmd(t_syntax *synt, t_holder *holder, t_lmdata *data)
+{
+	if (synt->s_cmd && synt->e_cmd && !synt->v_error
+			&& !synt->l_error && !synt->e_error && !synt->s_error
+            && synt->nb_state && (holder->count > 0)
+            && (data->nb_nodes > 0))
 		return (1);
 	return (0);
 }