diff --git a/cache/admins/micro_utils/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsCacheAPI.kt b/cache/admins/micro_utils/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsCacheAPI.kt
index 83549c7..9650bc2 100644
--- a/cache/admins/micro_utils/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsCacheAPI.kt
+++ b/cache/admins/micro_utils/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsCacheAPI.kt
@@ -38,8 +38,8 @@ fun TelegramBot.createAdminsCacheAPI(
             { long("chatId") },
             { text("member") },
             "AdminsTable"
-        ).withMapper<IdChatIdentifier, AdministratorChatMember, Identifier, String>(
-            keyFromToTo = { chatId },
+        ).withMapper<IdChatIdentifier, AdministratorChatMember, Long, String>(
+            keyFromToTo = { chatId.long },
             valueFromToTo = { telegramAdminsSerializationFormat.encodeToString(AdministratorChatMember.serializer(), this) },
             keyToToFrom = { toChatId() },
             valueToToFrom = { telegramAdminsSerializationFormat.decodeFromString(AdministratorChatMember.serializer(), this) }
@@ -49,8 +49,8 @@ fun TelegramBot.createAdminsCacheAPI(
             { long("chatId") },
             { long("datetime") },
             "AdminsUpdatesTimesTable"
-        ).withMapper<IdChatIdentifier, Long, Identifier, Long>(
-            keyFromToTo = { chatId },
+        ).withMapper<IdChatIdentifier, Long, Long, Long>(
+            keyFromToTo = { chatId.long },
             valueFromToTo = { this },
             keyToToFrom = { toChatId() },
             valueToToFrom = { this }
@@ -63,8 +63,8 @@ fun TelegramBot.createAdminsCacheAPI(
             { long("chatId") },
             { text("settings") },
             "DynamicAdminsCacheSettingsAPI"
-        ).withMapper<IdChatIdentifier, AdminsCacheSettings, Identifier, String>(
-            keyFromToTo = { chatId },
+        ).withMapper<IdChatIdentifier, AdminsCacheSettings, Long, String>(
+            keyFromToTo = { chatId.long },
             valueFromToTo = { telegramAdminsSerializationFormat.encodeToString(AdminsCacheSettings.serializer() , this) },
             keyToToFrom = { toChatId() },
             valueToToFrom = { telegramAdminsSerializationFormat.decodeFromString(AdminsCacheSettings.serializer() , this) }
diff --git a/cache/admins/plagubot/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsPlugin.kt b/cache/admins/plagubot/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsPlugin.kt
index d157c6a..a7ec050 100644
--- a/cache/admins/plagubot/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsPlugin.kt
+++ b/cache/admins/plagubot/src/jvmMain/kotlin/dev/inmo/tgbotapi/libraries/cache/admins/AdminsPlugin.kt
@@ -55,8 +55,8 @@ class AdminsPlugin : Plugin {
                     { long("chatId") },
                     { text("member") },
                     "AdminsTable"
-                ).withMapper<IdChatIdentifier, AdministratorChatMember, Identifier, String>(
-                    keyFromToTo = { chatId },
+                ).withMapper<IdChatIdentifier, AdministratorChatMember, Long, String>(
+                    keyFromToTo = { chatId.long },
                     valueFromToTo = { telegramAdminsSerializationFormat.encodeToString(this) },
                     keyToToFrom = { toChatId() },
                     valueToToFrom = { telegramAdminsSerializationFormat.decodeFromString(this) }
@@ -66,8 +66,8 @@ class AdminsPlugin : Plugin {
                     { long("chatId") },
                     { long("datetime") },
                     "AdminsUpdatesTimesTable"
-                ).withMapper<IdChatIdentifier, Long, Identifier, Long>(
-                    keyFromToTo = { chatId },
+                ).withMapper<IdChatIdentifier, Long, Long, Long>(
+                    keyFromToTo = { chatId.long },
                     valueFromToTo = { this },
                     keyToToFrom = { toChatId() },
                     valueToToFrom = { this }
@@ -82,8 +82,8 @@ class AdminsPlugin : Plugin {
                     { long("chatId") },
                     { text("settings") },
                     "DynamicAdminsCacheSettingsAPI"
-                ).withMapper<IdChatIdentifier, AdminsCacheSettings, Identifier, String>(
-                    keyFromToTo = { chatId },
+                ).withMapper<IdChatIdentifier, AdminsCacheSettings, Long, String>(
+                    keyFromToTo = { chatId.long },
                     valueFromToTo = { telegramAdminsSerializationFormat.encodeToString(this) },
                     keyToToFrom = { toChatId() },
                     valueToToFrom = { telegramAdminsSerializationFormat.decodeFromString(this) }
diff --git a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
index 0953cdf..9a27443 100644
--- a/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
+++ b/cache/content/micro_utils/src/commonMain/kotlin/dev/inmo/tgbotapi/libraries/cache/media/micro_utils/SimpleKeyValueMessageContentCache.kt
@@ -4,7 +4,7 @@ import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.repos.mappers.withMapper
 import dev.inmo.tgbotapi.libraries.cache.media.common.MessagesSimpleCache
 import dev.inmo.tgbotapi.types.ChatId
-import dev.inmo.tgbotapi.types.MessageIdentifier
+import dev.inmo.tgbotapi.types.MessageId
 import dev.inmo.tgbotapi.types.message.content.MessageContent
 import kotlinx.serialization.*
 import kotlinx.serialization.builtins.PairSerializer
@@ -47,7 +47,7 @@ class SimpleKeyValueMessageContentCache<K>(
 
 val chatIdToMessageIdentifierSerializer = PairSerializer(
     ChatId.serializer(),
-    MessageIdentifier.serializer()
+    MessageId.serializer()
 )
 
 val messageContentSerializer = PolymorphicSerializer<MessageContent>(MessageContent::class)
@@ -56,9 +56,9 @@ inline fun <K> KeyValueRepo<K, MessageContent>.asMessageContentCache() = SimpleK
 
 inline fun KeyValueRepo<String, String>.asMessageContentCache(
     serialFormatCreator: (SerializersModule) -> StringFormat = { Json { serializersModule = it } }
-): StandardKeyValueRepo<Pair<ChatId, MessageIdentifier>, MessageContent> {
+): StandardKeyValueRepo<Pair<ChatId, MessageId>, MessageContent> {
     val serialFormat = serialFormatCreator(MessageContent.serializationModule())
-    return withMapper<Pair<ChatId, MessageIdentifier>, MessageContent, String, String>(
+    return withMapper<Pair<ChatId, MessageId>, MessageContent, String, String>(
         { serialFormat.encodeToString(chatIdToMessageIdentifierSerializer, this) },
         { serialFormat.encodeToString(messageContentSerializer, this) },
         { serialFormat.decodeFromString(chatIdToMessageIdentifierSerializer, this) },
@@ -70,9 +70,9 @@ inline fun KeyValueRepo<String, String>.asMessageContentCache(
 @JsName("stringsKeyValueAsHexMessageContentCache")
 inline fun KeyValueRepo<String, String>.asMessageContentCache(
     serialFormatCreator: (SerializersModule) -> BinaryFormat
-): StandardKeyValueRepo<Pair<ChatId, MessageIdentifier>, MessageContent> {
+): StandardKeyValueRepo<Pair<ChatId, MessageId>, MessageContent> {
     val serialFormat = serialFormatCreator(MessageContent.serializationModule())
-    return withMapper<Pair<ChatId, MessageIdentifier>, MessageContent, String, String>(
+    return withMapper<Pair<ChatId, MessageId>, MessageContent, String, String>(
         { serialFormat.encodeToHexString(chatIdToMessageIdentifierSerializer, this) },
         { serialFormat.encodeToHexString(messageContentSerializer, this) },
         { serialFormat.decodeFromHexString(chatIdToMessageIdentifierSerializer, this) },
@@ -84,9 +84,9 @@ inline fun KeyValueRepo<String, String>.asMessageContentCache(
 @JsName("bytesKeyValueAsMessageContentCache")
 inline fun KeyValueRepo<ByteArray, ByteArray>.asMessageContentCache(
     serialFormatCreator: (SerializersModule) -> BinaryFormat
-): StandardKeyValueRepo<Pair<ChatId, MessageIdentifier>, MessageContent> {
+): StandardKeyValueRepo<Pair<ChatId, MessageId>, MessageContent> {
     val serialFormat = serialFormatCreator(MessageContent.serializationModule())
-    return withMapper<Pair<ChatId, MessageIdentifier>, MessageContent, ByteArray, ByteArray>(
+    return withMapper<Pair<ChatId, MessageId>, MessageContent, ByteArray, ByteArray>(
         { serialFormat.encodeToByteArray(chatIdToMessageIdentifierSerializer, this) },
         { serialFormat.encodeToByteArray(messageContentSerializer, this) },
         { serialFormat.decodeFromByteArray(chatIdToMessageIdentifierSerializer, this) },
diff --git a/resender/src/commonMain/kotlin/MessageMetaInfo.kt b/resender/src/commonMain/kotlin/MessageMetaInfo.kt
index 8b794e0..a155a84 100644
--- a/resender/src/commonMain/kotlin/MessageMetaInfo.kt
+++ b/resender/src/commonMain/kotlin/MessageMetaInfo.kt
@@ -2,6 +2,7 @@ package dev.inmo.tgbotapi.libraries.resender
 
 import dev.inmo.tgbotapi.types.FullChatIdentifierSerializer
 import dev.inmo.tgbotapi.types.IdChatIdentifier
+import dev.inmo.tgbotapi.types.MediaGroupId
 import dev.inmo.tgbotapi.types.MessageId
 import dev.inmo.tgbotapi.types.message.abstracts.ContentMessage
 import dev.inmo.tgbotapi.types.message.abstracts.Message
@@ -14,7 +15,7 @@ data class MessageMetaInfo(
     @Serializable(FullChatIdentifierSerializer::class)
     val chatId: IdChatIdentifier,
     val messageId: MessageId,
-    val group: String? = null
+    val group: MediaGroupId? = null
 ) {
     val metaInfo: Message.MetaInfo
         get() = Message.MetaInfo(chatId, messageId)