diff --git a/src/main/kotlin/com/teamapi/palette/entity/chat/Chat.kt b/src/main/kotlin/com/teamapi/palette/entity/chat/Chat.kt
index cd1a620..b639288 100644
--- a/src/main/kotlin/com/teamapi/palette/entity/chat/Chat.kt
+++ b/src/main/kotlin/com/teamapi/palette/entity/chat/Chat.kt
@@ -26,7 +26,7 @@ data class Chat(
     val roomId: Long,
     val userId: Long,
     val isAi: Boolean,
-
+    val regenScope: Boolean = false,
     @Contextual
     val promptId: ObjectId? = null
 ) {
diff --git a/src/main/kotlin/com/teamapi/palette/response/ErrorCode.kt b/src/main/kotlin/com/teamapi/palette/response/ErrorCode.kt
index 2400b2b..178edfe 100644
--- a/src/main/kotlin/com/teamapi/palette/response/ErrorCode.kt
+++ b/src/main/kotlin/com/teamapi/palette/response/ErrorCode.kt
@@ -27,6 +27,7 @@ enum class ErrorCode(
 
     CHAT_FILTERED(HttpStatus.BAD_REQUEST, "부적절한 내용 감지. 내용을 수정 해 주세요."),
     MESSAGE_TYPE_NOT_MATCH(HttpStatus.BAD_REQUEST, "적절하지 않은 메시지 유형: '%s'. 메시지 유형 '%s'이(가) 필요합니다."),
+    QNA_INVALID_NOT_FULFILLED(HttpStatus.BAD_REQUEST, "모든 질문에 대해 대답하지 않았거나, 요청을 받을 수 없는 상태입니다."),
     QNA_INVALID_FULFILLED(HttpStatus.BAD_REQUEST, "이미 모든 질문에 대해 대답하였습니다."),
     QNA_INVALID_CHOICES(HttpStatus.BAD_REQUEST, "적절하지 않은 선택: '%s'. %s 선택지 중 하나가 필요합니다."),
     QNA_INVALID_GRID_CHOICES(HttpStatus.BAD_REQUEST, "적절하지 않은 그리드: (%s). 0~%d 선택지 중 하나가 필요합니다."),
diff --git a/src/main/kotlin/com/teamapi/palette/service/RoomService.kt b/src/main/kotlin/com/teamapi/palette/service/RoomService.kt
index bd559aa..2684044 100644
--- a/src/main/kotlin/com/teamapi/palette/service/RoomService.kt
+++ b/src/main/kotlin/com/teamapi/palette/service/RoomService.kt
@@ -104,9 +104,15 @@ class RoomService(
         val room = roomRepository.findById(roomId) ?: throw CustomException(ErrorCode.ROOM_NOT_FOUND)
         room.validateUser(sessionHolder)
 
+        val regenScope = chatRepository.getLatestChatByRoomId(roomId)?.regenScope == true
+
         val me = sessionHolder.me()
         val qna = qnaRepository.getQnAByRoomId(roomId)!!
 
+        if (qna.qna.any { it.answer == null } || !regenScope) {
+            throw CustomException(ErrorCode.QNA_INVALID_NOT_FULFILLED)
+        }
+
         chatEmitAdapter.emitChat(
             Chat(
                 resource = ChatState.CHAT,
diff --git a/src/main/kotlin/com/teamapi/palette/service/infra/GenerativeImageService.kt b/src/main/kotlin/com/teamapi/palette/service/infra/GenerativeImageService.kt
index 8a9030f..6be13f0 100644
--- a/src/main/kotlin/com/teamapi/palette/service/infra/GenerativeImageService.kt
+++ b/src/main/kotlin/com/teamapi/palette/service/infra/GenerativeImageService.kt
@@ -93,33 +93,35 @@ class GenerativeImageService(
             e.printStackTrace()
             guaranteed = null
         }
-        if (guaranteed == null) {
-            chatEmitAdapter.emitChat(
-                Chat(
-                    resource = ChatState.CHAT,
-                    roomId = room.id!!,
-                    userId = me,
-                    isAi = true,
-                    message = "이미지를 생성하는 도중 오류가 발생하였어요. ;.;"
+        if (guaranteed != null) {
+            try {
+                val uploaded = blobSaveAdapter.save(Base64.decode(guaranteed!!))
+
+                chatEmitAdapter.emitChat(
+                    Chat(
+                        resource = ChatState.IMAGE,
+                        roomId = room.id!!,
+                        userId = me,
+                        isAi = true,
+                        message = uploaded.blobUrl,
+                        regenScope = true
+                    )
                 )
-            )
-            return
+                return
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
         }
 
-        try {
-            val uploaded = blobSaveAdapter.save(Base64.decode(guaranteed!!))
-
-            chatEmitAdapter.emitChat(
-                Chat(
-                    resource = ChatState.IMAGE,
-                    roomId = room.id!!,
-                    userId = me,
-                    isAi = true,
-                    message = uploaded.blobUrl
-                )
+        chatEmitAdapter.emitChat(
+            Chat(
+                resource = ChatState.CHAT,
+                roomId = room.id!!,
+                userId = me,
+                isAi = true,
+                message = "이미지를 생성하는 도중 오류가 발생하였어요. ;.;",
+                regenScope = true
             )
-        } catch (e: Exception) {
-            e.printStackTrace()
-        }
+        )
     }
 }