diff --git a/src/modules/host/services/host.service.ts b/src/modules/host/services/host.service.ts
index 9c8b9e3..a511f36 100644
--- a/src/modules/host/services/host.service.ts
+++ b/src/modules/host/services/host.service.ts
@@ -533,6 +533,9 @@ export class HostService {
             id: true,
             logoPath: true,
             companyName: true,
+            firstName: true,
+            lastName: true,
+            mobileNumber: true,
             address1: true,
             address2: true,
             cities: {
diff --git a/src/modules/user/services/itinerary.service.ts b/src/modules/user/services/itinerary.service.ts
index 5f609d3..f4ecae8 100644
--- a/src/modules/user/services/itinerary.service.ts
+++ b/src/modules/user/services/itinerary.service.ts
@@ -2880,18 +2880,28 @@ export class ItineraryService {
           if (!itineraryActivity) {
             throw new ApiError(
               404,
-              `Itinerary activity not found for item ${index}.`,
+              `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} was not found.`,
             );
           }
 
-          if (
-            itineraryActivity.itineraryType !== 'ACTIVITY' ||
-            !itineraryActivity.activityXid ||
-            !itineraryActivity.activity
-          ) {
+          if (itineraryActivity.itineraryType !== 'ACTIVITY') {
             throw new ApiError(
               400,
-              'Selections can only be stored for itinerary items linked to an activity.',
+              `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} is not an ACTIVITY row. Actual itineraryType=${itineraryActivity.itineraryType}.`,
+            );
+          }
+
+          if (!itineraryActivity.activityXid) {
+            throw new ApiError(
+              400,
+              `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} is missing activityXid.`,
+            );
+          }
+
+          if (!itineraryActivity.activity) {
+            throw new ApiError(
+              400,
+              `activities[${index}] with itineraryActivityXid=${item.itineraryActivityXid} could not load linked activity details.`,
             );
           }
 
@@ -2948,14 +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) {
@@ -2973,10 +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) {
@@ -3035,10 +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'}.`,
               );
             }
           }