diff --git a/backend/src/main/java/ru/micord/ervu/exception/JournalException.java b/backend/src/main/java/ru/micord/ervu/exception/JournalException.java
new file mode 100644
index 00000000..87567f68
--- /dev/null
+++ b/backend/src/main/java/ru/micord/ervu/exception/JournalException.java
@@ -0,0 +1,14 @@
+package ru.micord.ervu.exception;
+
+/**
+ * @author Adel Kalimullin
+ */
+public class JournalException extends RuntimeException {
+  public JournalException(String message) {
+    super(message);
+  }
+
+  public JournalException(String message, Throwable cause) {
+    super(message, cause);
+  }
+}
diff --git a/backend/src/main/java/ru/micord/ervu/journal/JournalFileData.java b/backend/src/main/java/ru/micord/ervu/journal/JournalFileData.java
new file mode 100644
index 00000000..462498da
--- /dev/null
+++ b/backend/src/main/java/ru/micord/ervu/journal/JournalFileData.java
@@ -0,0 +1,37 @@
+package ru.micord.ervu.journal;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+/**
+ * @author ya.kuznetsova
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class JournalFileData {
+
+  @JsonProperty("orgId_ERVU")
+  private String orgIdErvu; // идентификатор организации в ЕРВУ
+
+  @JsonProperty("filesInfo")
+  private List<JournalFileInfo> filesInfo;
+
+  public String getOrgIdErvu() {
+    return orgIdErvu;
+  }
+
+  public JournalFileData setOrgIdErvu(String orgIdErvu) {
+    this.orgIdErvu = orgIdErvu;
+    return this;
+  }
+
+  public List<JournalFileInfo> getFilesInfo() {
+    return filesInfo;
+  }
+
+  public JournalFileData setFilesInfo(List<JournalFileInfo> filesInfo) {
+    this.filesInfo = filesInfo;
+    return this;
+  }
+}
diff --git a/backend/src/main/java/ru/micord/ervu/journal/JournalFileDataResponse.java b/backend/src/main/java/ru/micord/ervu/journal/JournalFileDataResponse.java
index 4dd2dea7..c67ab87a 100644
--- a/backend/src/main/java/ru/micord/ervu/journal/JournalFileDataResponse.java
+++ b/backend/src/main/java/ru/micord/ervu/journal/JournalFileDataResponse.java
@@ -1,37 +1,25 @@
 package ru.micord.ervu.journal;
 
-import java.util.List;
-
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import com.fasterxml.jackson.annotation.JsonProperty;
 
 /**
- * @author ya.kuznetsova
+ * @author Adel Kalimullin
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class JournalFileDataResponse {
+  private boolean success;
+  private String message;
+  private JournalFileData data;
 
-  @JsonProperty("orgId_ERVU")
-  private String orgIdErvu; // идентификатор организации в ЕРВУ
-
-  @JsonProperty("filesInfo")
-  private List<JournalFileInfo> filesInfo;
-
-  public String getOrgIdErvu() {
-    return orgIdErvu;
+  public boolean isSuccess() {
+    return success;
   }
 
-  public JournalFileDataResponse setOrgIdErvu(String orgIdErvu) {
-    this.orgIdErvu = orgIdErvu;
-    return this;
+  public String getMessage() {
+    return message;
   }
 
-  public List<JournalFileInfo> getFilesInfo() {
-    return filesInfo;
-  }
-
-  public JournalFileDataResponse setFilesInfo(List<JournalFileInfo> filesInfo) {
-    this.filesInfo = filesInfo;
-    return this;
+  public JournalFileData getData() {
+    return data;
   }
 }
diff --git a/backend/src/main/java/ru/micord/ervu/kafka/service/impl/BaseReplyingKafkaService.java b/backend/src/main/java/ru/micord/ervu/kafka/service/impl/BaseReplyingKafkaService.java
index c849daa2..2011b85e 100644
--- a/backend/src/main/java/ru/micord/ervu/kafka/service/impl/BaseReplyingKafkaService.java
+++ b/backend/src/main/java/ru/micord/ervu/kafka/service/impl/BaseReplyingKafkaService.java
@@ -10,7 +10,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.kafka.requestreply.ReplyingKafkaTemplate;
 import org.springframework.kafka.requestreply.RequestReplyFuture;
-import org.springframework.stereotype.Service;
 import ru.micord.ervu.kafka.exception.KafkaMessageException;
 import ru.micord.ervu.kafka.exception.KafkaMessageReplyTimeoutException;
 import ru.micord.ervu.kafka.service.ReplyingKafkaService;
@@ -18,7 +17,6 @@ import ru.micord.ervu.kafka.service.ReplyingKafkaService;
 /**
  * @author Eduard Tihomirov
  */
-@Service
 public abstract class BaseReplyingKafkaService<T, V> implements ReplyingKafkaService<T, V> {
   private static final Logger LOGGER = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
 
diff --git a/backend/src/main/java/ru/micord/ervu/security/esia/service/EsiaAuthService.java b/backend/src/main/java/ru/micord/ervu/security/esia/service/EsiaAuthService.java
index 9db721d2..351bf671 100644
--- a/backend/src/main/java/ru/micord/ervu/security/esia/service/EsiaAuthService.java
+++ b/backend/src/main/java/ru/micord/ervu/security/esia/service/EsiaAuthService.java
@@ -45,7 +45,6 @@ import ru.micord.ervu.security.esia.EsiaAuthInfoStore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.core.context.SecurityContext;
-import org.springframework.util.StringUtils;
 import ru.micord.ervu.security.esia.config.EsiaConfig;
 import org.springframework.beans.factory.annotation.Value;
 import ru.micord.ervu.kafka.model.Brhs;
@@ -63,6 +62,7 @@ import ru.micord.ervu.security.webbpm.jwt.helper.SecurityHelper;
 import ru.micord.ervu.security.webbpm.jwt.service.JwtTokenService;
 import ru.micord.ervu.security.webbpm.jwt.model.Token;
 import ru.micord.ervu.service.UploadAccessService;
+import ru.micord.ervu.util.StringUtils;
 
 import ru.cg.webbpm.modules.core.runtime.api.LocalizedException;
 import ru.cg.webbpm.modules.core.runtime.api.MessageBundleUtils;
@@ -469,9 +469,14 @@ public class EsiaAuthService {
         requestReplyTopic, objectMapper.writeValueAsString(orgInfo)
     );
     ErvuOrgResponse ervuOrgResponse = objectMapper.readValue(kafkaResponse, ErvuOrgResponse.class);
+    if (!ervuOrgResponse.getSuccess()) {
+      throw new EsiaException("Failed to get organization ervuId for prnOid = " + prnOid +
+                              ". ErrorMessage: " + ervuOrgResponse.getMessage());
+    }
+
     String ervuId = ervuOrgResponse.getData().getErvuId();
-    if (!StringUtils.hasText(ervuId)) {
-      throw new EsiaException("No ervuId for prnOid = " + prnOid);
+    if (!StringUtils.isValidUUID(ervuId)) {
+      throw new EsiaException("No valid ervuId for prnOid = " + prnOid);
     }
     return ervuId;
   }
diff --git a/backend/src/main/java/ru/micord/ervu/service/grid/impl/JournalInMemoryStaticGridLoadService.java b/backend/src/main/java/ru/micord/ervu/service/grid/impl/JournalInMemoryStaticGridLoadService.java
index 43405951..82ee2810 100644
--- a/backend/src/main/java/ru/micord/ervu/service/grid/impl/JournalInMemoryStaticGridLoadService.java
+++ b/backend/src/main/java/ru/micord/ervu/service/grid/impl/JournalInMemoryStaticGridLoadService.java
@@ -1,6 +1,5 @@
 package ru.micord.ervu.service.grid.impl;
 
-import java.time.LocalDateTime;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
@@ -14,8 +13,10 @@ import javax.servlet.http.HttpServletRequest;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import ru.micord.ervu.exception.JournalException;
 import ru.micord.ervu.exception.JsonParsingException;
 import ru.micord.ervu.journal.JournalDto;
+import ru.micord.ervu.journal.JournalFileData;
 import ru.micord.ervu.journal.JournalFileDataRequest;
 import ru.micord.ervu.journal.JournalFileDataResponse;
 import ru.micord.ervu.journal.mapper.JournalDtoMapper;
@@ -71,7 +72,13 @@ public class JournalInMemoryStaticGridLoadService implements
           replyTopic, objectMapper.writeValueAsString(journalFileDataRequest));
       JournalFileDataResponse journalFileDataResponse = objectMapper.readValue(responseJsonString,
           JournalFileDataResponse.class);
-      ervuJournalList = journalFileDataResponse.getFilesInfo().stream()
+
+      if (!journalFileDataResponse.isSuccess()) {
+        throw new JournalException(
+            "Failed to retrieve journal data from ervu: " + journalFileDataResponse.getMessage());
+      }
+
+      ervuJournalList = journalFileDataResponse.getData().getFilesInfo().stream()
           .flatMap(fileInfo -> fileInfo.getPackFiles().stream()
               .filter(fileDetail -> DOCUMENT.equals(fileDetail.getType()))
               .map(fileDetail -> JournalDtoMapper.mapToJournalDto(fileInfo, fileDetail))
@@ -79,7 +86,7 @@ public class JournalInMemoryStaticGridLoadService implements
           .toList();
     }
     catch (JsonProcessingException e) {
-      throw new JsonParsingException("Failed to parse JournalFileDataResponse.", e);
+      throw new JournalException("Failed to parse journalFileDataResponse.", e);
     }
 
     AtomicInteger counter = new AtomicInteger(1);
diff --git a/backend/src/main/java/ru/micord/ervu/util/StringUtils.java b/backend/src/main/java/ru/micord/ervu/util/StringUtils.java
index 0fdfaff0..ece65d52 100644
--- a/backend/src/main/java/ru/micord/ervu/util/StringUtils.java
+++ b/backend/src/main/java/ru/micord/ervu/util/StringUtils.java
@@ -1,10 +1,16 @@
 package ru.micord.ervu.util;
 
 
+
+import java.util.regex.Pattern;
+
 import static org.apache.commons.lang3.StringUtils.capitalize;
 import static org.apache.commons.lang3.StringUtils.substring;
 
 public final class StringUtils {
+  private static final Pattern UUID_PATTERN = Pattern.compile(
+      "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
+  );
 
   private StringUtils() {
   }
@@ -18,4 +24,11 @@ public final class StringUtils {
         middleNameInitial
     );
   }
+
+  public static boolean isValidUUID(String uuid) {
+    if (uuid == null) {
+      return false;
+    }
+    return UUID_PATTERN.matcher(uuid).matches();
+  }
 }