diff --git a/src/modules/user/services/itinerary.service.ts b/src/modules/user/services/itinerary.service.ts
index 920e692..f4ecae8 100644
--- a/src/modules/user/services/itinerary.service.ts
+++ b/src/modules/user/services/itinerary.service.ts
@@ -2958,14 +2958,22 @@ export class ItineraryService {
             );
           }
 
+          const availableFoodTypes = itineraryActivity.activity.activityFoodTypes.map((entry) => ({
+            id: entry.id,
+            name: entry.foodType.foodTypeName,
+          }));
           const availableFoodTypeIds = new Set(
-            itineraryActivity.activity.activityFoodTypes.map((entry) => entry.id),
+            availableFoodTypes.map((entry) => entry.id),
           );
           const availableNavigationModeIds = new Set(
             itineraryActivity.activity.ActivityNavigationModes.map((entry) => entry.id),
           );
+          const availableEquipments = itineraryActivity.activity.ActivityEquipments.map((entry) => ({
+            id: entry.id,
+            name: entry.equipmentName,
+          }));
           const availableEquipmentIds = new Set(
-            itineraryActivity.activity.ActivityEquipments.map((entry) => entry.id),
+            availableEquipments.map((entry) => entry.id),
           );
 
           if (isFoodOpted) {
@@ -2983,10 +2991,14 @@ export class ItineraryService {
               );
             }
 
-            if (selectedFoodTypeIds.some((id) => !availableFoodTypeIds.has(id))) {
+            const invalidFoodTypeIds = selectedFoodTypeIds.filter(
+              (id) => !availableFoodTypeIds.has(id),
+            );
+
+            if (invalidFoodTypeIds.length) {
               throw new ApiError(
                 400,
-                `activities[${index}]: One or more selected food types do not belong to this activity.`,
+                `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} has invalid selectedFoodTypeIds=${invalidFoodTypeIds.join(', ')}. Allowed food types for this activity are: ${availableFoodTypes.length ? availableFoodTypes.map((entry) => `${entry.id}:${entry.name}`).join(', ') : 'none'}.`,
               );
             }
           } else if (selectedFoodTypeIds.length) {
@@ -3045,10 +3057,14 @@ export class ItineraryService {
               );
             }
 
-            if (selectedEquipmentIds.some((id) => !availableEquipmentIds.has(id))) {
+            const invalidEquipmentIds = selectedEquipmentIds.filter(
+              (id) => !availableEquipmentIds.has(id),
+            );
+
+            if (invalidEquipmentIds.length) {
               throw new ApiError(
                 400,
-                `activities[${index}]: One or more selected equipments do not belong to this activity.`,
+                `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} has invalid selectedEquipmentIds=${invalidEquipmentIds.join(', ')}. Allowed equipments for this activity are: ${availableEquipments.length ? availableEquipments.map((entry) => `${entry.id}:${entry.name}`).join(', ') : 'none'}.`,
               );
             }
           }