trigger fixed

sails/cron/logrotate.conf

 /home/ubuntu/pictogram/sails/logs/access.json /home/ubuntu/pictogram/sails/logs/error.json /home/ubuntu/pictogram/sails/logs/debug.json /home/ubuntu/pictogram/sails/logs/silly.json /home/ubuntu/pictogram/sails/logs/info.json {
-	size 4M
+	size 1k
   	rotate 7
 	dateext
 	mail amontejo@ujaen.es

sails/roles/database/files/triggers-enrolments-integrity-constraints.sql

@@ -103,7 +103,7 @@ BEGIN
 
         -- Selecciona el texto para el tablero hijo
         SELECT lang INTO _lang FROM student WHERE id = _id_stu LIMIT 1;
-        SELECT `text` INTO _grid_name FROM picto_exp WHERE id_pic = _id_pic AND lang = _lang COLLATE utf8_general_ci LIMIT 1;
+        SELECT `text` INTO _grid_name FROM picto_exp WHERE id_pic = _id_pic AND lang = _lang  COLLATE utf8_unicode_ci LIMIT 1;
 
         -- Crea el nuevo tablero hijo
         INSERT INTO grid (name, active, id_stu)
@@ -118,7 +118,7 @@ BEGIN
 
       -- Inserta los pictogramas correspondientes en el tablero recien creado
       SELECT lang INTO _lang FROM student WHERE id = _id_stu LIMIT 1;
-      SELECT `text` INTO _grid_name FROM picto_exp WHERE id_pic = _id_cat_pic AND lang = _lang COLLATE utf8_general_ci LIMIT 1;
+      SELECT `text` INTO _grid_name FROM picto_exp WHERE id_pic = _id_cat_pic AND lang = _lang  COLLATE utf8_unicode_ci LIMIT 1;
       SELECT id INTO _id_grid FROM grid WHERE name = _grid_name COLLATE utf8_general_ci AND id_stu = _id_stu LIMIT 1;
 
       INSERT INTO stu_picto (id_stu, id_pic, attributes, id_grid)