diff --git a/src/main/java/org/gridsuite/explore/server/error/ExploreBusinessErrorCode.java b/src/main/java/org/gridsuite/explore/server/error/ExploreBusinessErrorCode.java
index 602bd49..c1e55a4 100644
--- a/src/main/java/org/gridsuite/explore/server/error/ExploreBusinessErrorCode.java
+++ b/src/main/java/org/gridsuite/explore/server/error/ExploreBusinessErrorCode.java
@@ -14,8 +14,7 @@
  * Business error codes emitted by the explore service.
  */
 public enum ExploreBusinessErrorCode implements BusinessErrorCode {
-    EXPLORE_MAX_ELEMENTS_EXCEEDED("explore.maxElementsExceeded"),
-    EXPLORE_INCORRECT_CASE_FILE("explore.incorrectCaseFile");
+    EXPLORE_MAX_ELEMENTS_EXCEEDED("explore.maxElementsExceeded");
 
     private final String code;
 
diff --git a/src/main/java/org/gridsuite/explore/server/error/ExploreExceptionHandler.java b/src/main/java/org/gridsuite/explore/server/error/ExploreExceptionHandler.java
index 8e655e2..b288496 100644
--- a/src/main/java/org/gridsuite/explore/server/error/ExploreExceptionHandler.java
+++ b/src/main/java/org/gridsuite/explore/server/error/ExploreExceptionHandler.java
@@ -39,7 +39,6 @@ protected ExploreBusinessErrorCode getBusinessCode(ExploreException ex) {
     protected HttpStatus mapStatus(ExploreBusinessErrorCode errorCode) {
         return switch (errorCode) {
             case EXPLORE_MAX_ELEMENTS_EXCEEDED -> HttpStatus.FORBIDDEN;
-            case EXPLORE_INCORRECT_CASE_FILE -> HttpStatus.UNPROCESSABLE_ENTITY;
         };
     }
 
diff --git a/src/main/java/org/gridsuite/explore/server/services/CaseService.java b/src/main/java/org/gridsuite/explore/server/services/CaseService.java
index 476905d..5f3f944 100644
--- a/src/main/java/org/gridsuite/explore/server/services/CaseService.java
+++ b/src/main/java/org/gridsuite/explore/server/services/CaseService.java
@@ -7,15 +7,12 @@
 
 package org.gridsuite.explore.server.services;
 
-import org.gridsuite.explore.server.error.ExploreBusinessErrorCode;
-import org.gridsuite.explore.server.error.ExploreException;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.*;
 import org.springframework.stereotype.Service;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
-import org.springframework.web.client.HttpStatusCodeException;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.util.UriComponentsBuilder;
@@ -55,15 +52,8 @@ UUID importCase(MultipartFile multipartFile) {
         }
         HttpEntity<MultiValueMap<String, Object>> request = new HttpEntity<>(
             body, headers);
-        try {
-            caseUuid = restTemplate.postForObject(caseServerBaseUri + "/" + CASE_SERVER_API_VERSION + "/cases", request,
-                UUID.class);
-        } catch (HttpStatusCodeException e) {
-            if (e.getStatusCode() == HttpStatus.UNPROCESSABLE_ENTITY) {
-                throw ExploreException.of(ExploreBusinessErrorCode.EXPLORE_INCORRECT_CASE_FILE, e.getMessage());
-            }
-            throw e;
-        }
+        caseUuid = restTemplate.postForObject(caseServerBaseUri + "/" + CASE_SERVER_API_VERSION + "/cases", request,
+            UUID.class);
         return caseUuid;
     }
 
diff --git a/src/test/java/org/gridsuite/explore/server/ExploreExceptionTest.java b/src/test/java/org/gridsuite/explore/server/ExploreExceptionTest.java
index 710022f..dd46c45 100644
--- a/src/test/java/org/gridsuite/explore/server/ExploreExceptionTest.java
+++ b/src/test/java/org/gridsuite/explore/server/ExploreExceptionTest.java
@@ -19,11 +19,11 @@ class ExploreExceptionTest {
 
     @Test
     void staticFactoryFormatsMessage() {
-        ExploreException exception = ExploreException.of(ExploreBusinessErrorCode.EXPLORE_INCORRECT_CASE_FILE,
+        ExploreException exception = ExploreException.of(ExploreBusinessErrorCode.EXPLORE_MAX_ELEMENTS_EXCEEDED,
             "Case %s failed", "demo");
 
         assertThat(exception.getMessage()).isEqualTo("Case demo failed");
-        assertThat(exception.getBusinessErrorCode()).isEqualTo(ExploreBusinessErrorCode.EXPLORE_INCORRECT_CASE_FILE);
+        assertThat(exception.getBusinessErrorCode()).isEqualTo(ExploreBusinessErrorCode.EXPLORE_MAX_ELEMENTS_EXCEEDED);
     }
 
 }