diff --git a/mnemo_cards_backend/lib/api/v2/admin_cards_api_v2.dart b/mnemo_cards_backend/lib/api/v2/admin_cards_api_v2.dart
index a1e59dd..844d4b1 100644
--- a/mnemo_cards_backend/lib/api/v2/admin_cards_api_v2.dart
+++ b/mnemo_cards_backend/lib/api/v2/admin_cards_api_v2.dart
@@ -154,7 +154,7 @@ class AdminCardsApiV2 {
       final card = await _db.packDao.getCardById(cardId);
       if (card == null) {
         return Response.notFound(
-          body: json.encode({
+           json.encode({
             'error': 'Card not found',
             'message': 'The requested card does not exist or has been deleted',
             'details': 'Card with ID "$cardId" was not found in the database. Please verify the card ID and try again.',
@@ -242,7 +242,7 @@ class AdminCardsApiV2 {
         final existing = await _db.packDao.getCardById(cardId);
         if (existing == null) {
           return Response.notFound(
-            body: json.encode({
+            json.encode({
               'error': 'Card not found',
               'message': 'The card you are trying to update does not exist',
               'details': 'Card with ID "$cardId" was not found. The card may have been deleted or the ID may be incorrect.',
@@ -305,7 +305,7 @@ class AdminCardsApiV2 {
       // Если передан packId, создать связь через CardPackCards
       if (data['packId'] != null) {
         final packId = data['packId'] as String;
-        await _db.packDao.addCardToPack(cardId, packId);
+        await _db.packDao.addCardToPack(cardId: cardId, packId: packId);
       }
       
       final created = await _db.packDao.getCardById(cardId);
@@ -394,7 +394,7 @@ class AdminCardsApiV2 {
       final existing = await _db.packDao.getCardById(cardId);
       if (existing == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Card not found',
             'message': 'The card you are trying to update does not exist',
             'details': 'Card with ID "$cardId" was not found. The card may have been deleted or the ID may be incorrect.',
@@ -456,7 +456,7 @@ class AdminCardsApiV2 {
       final existing = await _db.packDao.getCardById(cardId);
       if (existing == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Card not found',
             'message': 'The card you are trying to delete does not exist',
             'details': 'Card with ID "$cardId" was not found. It may have already been deleted.',
@@ -468,7 +468,7 @@ class AdminCardsApiV2 {
       await _db.packDao.deleteCard(cardId);
 
       return Response.ok(
-        body: json.encode({
+        json.encode({
           'success': true,
           'message': 'Card deleted successfully',
         }),
@@ -522,7 +522,7 @@ class AdminCardsApiV2 {
       final card = await _db.packDao.getCardById(cardId);
       if (card == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Card not found',
             'message': 'The requested card does not exist',
             'details': 'Card with ID "$cardId" was not found. Cannot retrieve voices for a non-existent card.',
@@ -661,7 +661,7 @@ class AdminCardsApiV2 {
       final card = await _db.packDao.getCardById(cardId);
       if (card == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Card not found',
             'message': 'The card you are trying to add a voice to does not exist',
             'details': 'Card with ID "$cardId" was not found. Cannot add voice to a non-existent card.',
@@ -745,7 +745,7 @@ class AdminCardsApiV2 {
       final card = await _db.packDao.getCardById(cardId);
       if (card == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Card not found',
             'message': 'The card you are trying to remove a voice from does not exist',
             'details': 'Card with ID "$cardId" was not found. Cannot remove voice from a non-existent card.',
@@ -758,7 +758,7 @@ class AdminCardsApiV2 {
       final voice = await _db.packDao.getVoiceById(voiceId);
       if (voice == null) {
         return Response.notFound(
-          body: json.encode({
+          json.encode({
             'error': 'Voice not found',
             'message': 'The voice you are trying to remove does not exist',
             'details': 'Voice with ID "$voiceId" was not found. It may have already been deleted.',
@@ -788,7 +788,7 @@ class AdminCardsApiV2 {
       await _db.packDao.deleteVoice(voiceId);
 
       return Response.ok(
-        body: json.encode({
+        json.encode({
           'success': true,
           'message': 'Voice removed successfully',
         }),