diff --git a/back/models/country.json b/back/models/country.json
index a4c74d330..5b9d842a8 100644
--- a/back/models/country.json
+++ b/back/models/country.json
@@ -25,6 +25,9 @@
         },
         "isSocialNameUnique": {
             "type": "boolean"
+        },
+        "continentFk": {
+            "type": "number"
         }
     },
     "relations": {
@@ -32,6 +35,11 @@
             "type": "belongsTo",
             "model": "Currency",
             "foreignKey": "currencyFk"
+        },
+        "continent": {
+            "type": "belongsTo",
+            "model": "Continent",
+            "foreignKey": "continentFk"
         }
     },
     "acls": [
diff --git a/back/models/warehouse.json b/back/models/warehouse.json
index dcbf7f2d2..f12b5e86e 100644
--- a/back/models/warehouse.json
+++ b/back/models/warehouse.json
@@ -24,6 +24,16 @@
     },
     "isManaged":{
         "type": "boolean"
+    },
+    "countryFk": {
+        "type": "number"
+    }
+  },
+  "relations": {
+    "country": {
+      "type": "belongsTo",
+      "model": "Country",
+      "foreignKey": "countryFk"
     }
   },
   "acls": [
diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index ca76eae42..601a26f5b 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -223,7 +223,8 @@
 	"printerNotExists": "The printer does not exist",
 	"There are not picking tickets": "There are not picking tickets",
 	"ticketCommercial": "The ticket {{ ticket }} for the salesperson {{ salesMan }} is in preparation. (automatically generated message)",
-    "This password can only be changed by the user themselves": "This password can only be changed by the user themselves",
-    "They're not your subordinate": "They're not your subordinate",
-	"InvoiceIn is already booked": "InvoiceIn is already booked"
-}
+	"This password can only be changed by the user themselves": "This password can only be changed by the user themselves",
+	"They're not your subordinate": "They're not your subordinate",
+	"InvoiceIn is already booked": "InvoiceIn is already booked",
+	"This workCenter is already assigned to this agency": "This workCenter is already assigned to this agency"
+}
\ No newline at end of file