diff --git a/lib/components/ViewPublicationPage/tools/checkEmptyData.ts b/lib/components/ViewPublicationPage/tools/checkEmptyData.ts
index 8309424..1131ab2 100644
--- a/lib/components/ViewPublicationPage/tools/checkEmptyData.ts
+++ b/lib/components/ViewPublicationPage/tools/checkEmptyData.ts
@@ -7,7 +7,9 @@ export const isResultQuestionEmpty = (resultQuestion: QuizQuestionResult) => {
     (resultQuestion.content.back !== null &&
       resultQuestion.content.back.length > 0 &&
       resultQuestion.content.back !== " ") ||
-    (resultQuestion.content.originalBack.length > 0 && resultQuestion.content.originalBack !== " ") ||
+    (resultQuestion.content.originalBack &&
+      resultQuestion.content.originalBack.length > 0 &&
+      resultQuestion.content.originalBack !== " ") ||
     (resultQuestion.content.innerName.length > 0 && resultQuestion.content.innerName !== " ") ||
     (resultQuestion.content.text.length > 0 && resultQuestion.content.text !== " ") ||
     (resultQuestion.content.video.length > 0 && resultQuestion.content.video !== " ") ||
diff --git a/lib/model/questionTypes/date.ts b/lib/model/questionTypes/date.ts
index e69ce4c..8c5970d 100644
--- a/lib/model/questionTypes/date.ts
+++ b/lib/model/questionTypes/date.ts
@@ -15,7 +15,7 @@ export interface QuizQuestionDate extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
   };
 }
diff --git a/lib/model/questionTypes/emoji.ts b/lib/model/questionTypes/emoji.ts
index 6eae0b9..a9db0cf 100644
--- a/lib/model/questionTypes/emoji.ts
+++ b/lib/model/questionTypes/emoji.ts
@@ -18,7 +18,7 @@ export interface QuizQuestionEmoji extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
   };
 }
diff --git a/lib/model/questionTypes/file.ts b/lib/model/questionTypes/file.ts
index 8668eed..a895c76 100644
--- a/lib/model/questionTypes/file.ts
+++ b/lib/model/questionTypes/file.ts
@@ -25,6 +25,6 @@ export interface QuizQuestionFile extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
   };
 }
diff --git a/lib/model/questionTypes/number.ts b/lib/model/questionTypes/number.ts
index 22c7cca..5e18616 100644
--- a/lib/model/questionTypes/number.ts
+++ b/lib/model/questionTypes/number.ts
@@ -24,7 +24,7 @@ export interface QuizQuestionNumber extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
     form: "star" | "trophie" | "flag" | "heart" | "like" | "bubble" | "hashtag";
   };
diff --git a/lib/model/questionTypes/page.ts b/lib/model/questionTypes/page.ts
index 7525fc7..1fbeb3e 100644
--- a/lib/model/questionTypes/page.ts
+++ b/lib/model/questionTypes/page.ts
@@ -16,7 +16,7 @@ export interface QuizQuestionPage extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
   };
 }
diff --git a/lib/model/questionTypes/rating.ts b/lib/model/questionTypes/rating.ts
index cb6de12..01b740b 100644
--- a/lib/model/questionTypes/rating.ts
+++ b/lib/model/questionTypes/rating.ts
@@ -17,7 +17,7 @@ export interface QuizQuestionRating extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
     /** Позитивное описание рейтинга */
     ratingPositiveDescription: string;
diff --git a/lib/model/questionTypes/result.ts b/lib/model/questionTypes/result.ts
index 23a32b7..26a05ea 100644
--- a/lib/model/questionTypes/result.ts
+++ b/lib/model/questionTypes/result.ts
@@ -8,7 +8,7 @@ export interface QuizQuestionResult extends QuizQuestionBase {
   content: {
     id: string;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     video: string;
     innerName: string;
     text: string;
diff --git a/lib/model/questionTypes/select.ts b/lib/model/questionTypes/select.ts
index 0526e25..5d8bf2d 100644
--- a/lib/model/questionTypes/select.ts
+++ b/lib/model/questionTypes/select.ts
@@ -18,7 +18,7 @@ export interface QuizQuestionSelect extends QuizQuestionBase {
     rule: QuestionBranchingRule;
     hint: QuestionHint;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
   };
 }
diff --git a/lib/model/questionTypes/text.ts b/lib/model/questionTypes/text.ts
index 5be0417..0fda214 100644
--- a/lib/model/questionTypes/text.ts
+++ b/lib/model/questionTypes/text.ts
@@ -17,7 +17,7 @@ export interface QuizQuestionText extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     onlyNumbers: boolean;
   };
 }
diff --git a/lib/model/questionTypes/variant.ts b/lib/model/questionTypes/variant.ts
index cd920d6..706875b 100644
--- a/lib/model/questionTypes/variant.ts
+++ b/lib/model/questionTypes/variant.ts
@@ -21,7 +21,7 @@ export interface QuizQuestionVariant extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
   };
 }
diff --git a/lib/model/questionTypes/varimg.ts b/lib/model/questionTypes/varimg.ts
index 94f9e3f..84ad2bb 100644
--- a/lib/model/questionTypes/varimg.ts
+++ b/lib/model/questionTypes/varimg.ts
@@ -16,7 +16,7 @@ export interface QuizQuestionVarImg extends QuizQuestionBase {
     hint: QuestionHint;
     rule: QuestionBranchingRule;
     back: string | null;
-    originalBack: string;
+    originalBack: string | null;
     autofill: boolean;
     largeCheck: boolean;
     replText: string;
diff --git a/package.json b/package.json
index cc0585b..bd54027 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@frontend/squzanswerer",
-  "version": "1.0.50",
+  "version": "1.0.51",
   "type": "module",
   "main": "./dist-package/index.js",
   "module": "./dist-package/index.js",