diff --git a/modules/ticket/back/models/saleMistake.json b/modules/ticket/back/models/saleMistake.json
new file mode 100644
index 000000000..b48e6088d
--- /dev/null
+++ b/modules/ticket/back/models/saleMistake.json
@@ -0,0 +1,49 @@
+{ // A REVISAR QUE NOFA INSERT EN 
+    "name": "SaleMistake",
+    "base": "VnModel",
+    "options": {
+        "mysql": {
+        "table": "saleMistake"
+        }
+    },
+    "properties": {
+        "id": {
+            "id": true,
+            "type": "number",
+            "description": "Identifier"
+        },
+        "created": {
+            "type": "date"
+        },
+        "saleFk": {
+            "type": "number"
+        },
+        "userFk": {
+            "type": "number"
+        },
+          "typeFk": {
+            "type": "number"
+        }
+    },
+    "relations": {
+        "sale": {
+            "type": "belongsTo",
+            "model": "Sale",
+            "foreignKey": "saleFk",
+            "required": true
+        },
+        "worker": {
+            "type": "belongsTo",
+            "model": "Worker",
+            "foreignKey": "userFk",
+            "required": true
+        },
+        "mistakeType": {
+            "type": "belongsTo",
+            "model": "MistakeType",
+            "foreignKey": "typeFk",
+             "required": true
+        }
+       
+    }
+}