diff --git a/src/plugin/drop-zone/Controller/API/DropController.php b/src/plugin/drop-zone/Controller/API/DropController.php
index cea97d9a424..2a625e3735d 100644
--- a/src/plugin/drop-zone/Controller/API/DropController.php
+++ b/src/plugin/drop-zone/Controller/API/DropController.php
@@ -119,6 +119,7 @@ public function createAction(Dropzone $dropzone, User $user, Team $team = null):
         if (!empty($team)) {
             $this->checkTeamUser($team, $user);
         }
+
         try {
             if (empty($team)) {
                 // creates a User drop
diff --git a/src/plugin/drop-zone/Listener/Resource/DropzoneListener.php b/src/plugin/drop-zone/Listener/Resource/DropzoneListener.php
index 6f53d9759f2..90e8451da66 100644
--- a/src/plugin/drop-zone/Listener/Resource/DropzoneListener.php
+++ b/src/plugin/drop-zone/Listener/Resource/DropzoneListener.php
@@ -20,10 +20,11 @@
 use Claroline\DropZoneBundle\Manager\DropzoneManager;
 use Claroline\TeamBundle\Manager\TeamManager;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
-use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class DropzoneListener
 {
+    /** @var TokenStorageInterface */
     private $tokenStorage;
 
     /** @var DropzoneManager */
@@ -38,9 +39,6 @@ class DropzoneListener
     /** @var TranslatorInterface */
     private $translator;
 
-    /**
-     * DropzoneListener constructor.
-     */
     public function __construct(
         TokenStorageInterface $tokenStorage,
         DropzoneManager $dropzoneManager,
diff --git a/src/plugin/drop-zone/Manager/DropzoneManager.php b/src/plugin/drop-zone/Manager/DropzoneManager.php
index 344c01ab7cb..114f4f67638 100644
--- a/src/plugin/drop-zone/Manager/DropzoneManager.php
+++ b/src/plugin/drop-zone/Manager/DropzoneManager.php
@@ -277,7 +277,6 @@ public function getTeamDrop(Dropzone $dropzone, Team $team, User $user, $withCre
 
         if ($withCreation) {
             if (empty($drop)) {
-                $this->om->startFlushSuite();
                 $drop = new Drop();
                 $drop->setUser($user);
                 $drop->setDropzone($dropzone);
@@ -295,12 +294,9 @@ public function getTeamDrop(Dropzone $dropzone, Team $team, User $user, $withCre
                         ['status' => AbstractEvaluation::STATUS_INCOMPLETE]
                     );
                 }
-                $this->om->persist($drop);
-                $this->om->endFlushSuite();
 
                 $this->eventDispatcher->dispatch(new LogDropStartEvent($dropzone, $drop), 'log');
             } elseif (!$drop->hasUser($user)) {
-                $this->om->startFlushSuite();
                 $drop->addUser($user);
                 $this->resourceEvalManager->createResourceEvaluation(
                     $dropzone->getResourceNode(),
@@ -308,9 +304,10 @@ public function getTeamDrop(Dropzone $dropzone, Team $team, User $user, $withCre
                     null,
                     ['status' => AbstractEvaluation::STATUS_INCOMPLETE]
                 );
-                $this->om->persist($drop);
-                $this->om->endFlushSuite();
             }
+
+            $this->om->persist($drop);
+            $this->om->flush();
         }
 
         return $drop;
diff --git a/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/overview.jsx b/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/overview.jsx
index 127ed0aca6d..261930037aa 100644
--- a/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/overview.jsx
+++ b/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/overview.jsx
@@ -111,7 +111,7 @@ OverviewComponent.propTypes = {
   }),
   errorMessage: T.string,
   teams: T.arrayOf(T.shape({
-    id: T.number.isRequired,
+    id: T.string.isRequired,
     name: T.string.isRequired
   })),
   startDrop: T.func.isRequired,
diff --git a/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/timeline.jsx b/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/timeline.jsx
index 34909eac6a2..2b45e620a6a 100644
--- a/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/timeline.jsx
+++ b/src/plugin/drop-zone/Resources/modules/resources/dropzone/overview/components/timeline.jsx
@@ -37,12 +37,10 @@ const Timeline = props =>
       title={constants.PLANNING_STATES.all[constants.STATE_NOT_STARTED]}
       active={constants.STATE_NOT_STARTED === props.state}
     >
-      <span>
-        {trans('dropzone_start', {}, 'dropzone')} : {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.drop && props.planning.drop.length > 0 ?
-          <div><b>{displayDate(props.planning.drop[0], false, true)}</b></div> :
-          <b>-</b>
-        }
-      </span>
+      {trans('dropzone_start', {}, 'dropzone')} : {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.drop && props.planning.drop.length > 0 ?
+        <div><b>{displayDate(props.planning.drop[0], false, true)}</b></div> :
+        <b>-</b>
+      }
     </EvaluationStatus>
 
     <EvaluationStatus
@@ -53,7 +51,13 @@ const Timeline = props =>
         constants.STATE_ALLOW_DROP_AND_PEER_REVIEW
       ].indexOf(props.state) > -1}
     >
-      {trans('manager_defined_period', {}, 'dropzone')}
+      {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.drop && props.planning.drop.length > 0 ?
+        trans('date_range', {
+          start: displayDate(props.planning.drop[0], false, true),
+          end: displayDate(props.planning.drop[1], false, true)
+        }) :
+        trans('manager_defined_period', {}, 'dropzone')
+      }
     </EvaluationStatus>
 
     {constants.REVIEW_TYPE_PEER === props.reviewType &&
@@ -65,7 +69,13 @@ const Timeline = props =>
           constants.STATE_ALLOW_DROP_AND_PEER_REVIEW
         ].indexOf(props.state) > -1}
       >
-        {trans('manager_defined_period', {}, 'dropzone')}
+        {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.review && props.planning.review.length > 0 ?
+          trans('date_range', {
+            start: displayDate(props.planning.review[0], false, true),
+            end: displayDate(props.planning.review[1], false, true)
+          }) :
+          trans('manager_defined_period', {}, 'dropzone')
+        }
       </EvaluationStatus>
     }
 
@@ -74,12 +84,10 @@ const Timeline = props =>
       title={constants.PLANNING_STATES.all[constants.STATE_FINISHED]}
       active={constants.STATE_FINISHED === props.state}
     >
-      <span>
-        {trans('dropzone_end', {}, 'dropzone')} : {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.drop && props.planning.drop.length > 1 ?
-          <div><b>{displayDate(props.planning.drop[1], false, true)}</b></div> :
-          <b>-</b>
-        }
-      </span>
+      {trans('dropzone_end', {}, 'dropzone')} : {props.planning.type === constants.PLANNING_TYPE_AUTO && props.planning.review && props.planning.review.length > 1 ?
+        <div><b>{displayDate(props.planning.review[1], false, true)}</b></div> :
+        <b>-</b>
+      }
     </EvaluationStatus>
   </ul>
 
diff --git a/src/plugin/drop-zone/Resources/modules/resources/dropzone/store/selectors.js b/src/plugin/drop-zone/Resources/modules/resources/dropzone/store/selectors.js
index d8084b50695..34261db1f01 100644
--- a/src/plugin/drop-zone/Resources/modules/resources/dropzone/store/selectors.js
+++ b/src/plugin/drop-zone/Resources/modules/resources/dropzone/store/selectors.js
@@ -168,13 +168,13 @@ const currentState = createSelector(
           //finished if end deposit date is reached
           if (currentDate > dropzone.planning.drop[1]) {
             currentState = constants.STATE_FINISHED
-          } else if(currentDate <= dropzone.planning.drop[1]){
+          } else if (currentDate <= dropzone.planning.drop[1]){
             currentState = constants.STATE_ALLOW_DROP
           }
-        } else if(constants.REVIEW_TYPE_PEER === dropzone.parameters.reviewType){
+        } else if (constants.REVIEW_TYPE_PEER === dropzone.parameters.reviewType){
           //peer review mode
           //finished if end deposit date and review end date are reached
-          if(currentDate > dropzone.planning.drop[1] ) {
+          if (currentDate > dropzone.planning.drop[1] ) {
             if (currentDate < dropzone.planning.review[0]) {
               currentState = constants.STATE_WAITING_FOR_PEER_REVIEW
             } else if (currentDate >= dropzone.planning.review[0] && currentDate <= dropzone.planning.review[1]) {
@@ -182,12 +182,13 @@ const currentState = createSelector(
             } else {
               currentState = constants.STATE_FINISHED
             }
-          } else{
+          } else {
             currentState = constants.STATE_ALLOW_DROP
           }
         }
       }
     }
+
     return currentState
   }
 )
@@ -224,20 +225,9 @@ const dropDisabledMessages = createSelector(
         messages.push(trans('drop_disabled_finished', {}, 'dropzone'))
         break
 
-      // otherwise checks drop date boundaries
       default:
-        if (constants.PLANNING_TYPE_MANUAL === dropzone.planning.type) {
-          if (!isDropEnabledManual) {
+        if (constants.PLANNING_TYPE_MANUAL === dropzone.planning.type && !isDropEnabledManual) {
             messages.push(trans('drop_disabled_not_active', {}, 'dropzone'))
-          }
-        } else {
-          if (now(false) < dropzone.planning.drop[0]) {
-            // drop has not already started
-            messages.push(trans('drop_disabled_not_started', {}, 'dropzone'))
-          } else if (now(false) > dropzone.planning.drop[1]) {
-            // drop has already finished
-            messages.push(trans('drop_disabled_finished', {}, 'dropzone'))
-          }
         }
 
         break
@@ -279,20 +269,9 @@ const peerReviewDisabledMessages = createSelector(
           messages.push(trans('review_disabled_finished', {}, 'dropzone'))
           break
 
-        // otherwise checks drop date boundaries
         default:
-          if (constants.PLANNING_TYPE_MANUAL === dropzone.planning.type) {
-            if (!isPeerReviewEnabledManual) {
+          if (constants.PLANNING_TYPE_MANUAL === dropzone.planning.type && !isPeerReviewEnabledManual) {
               messages.push(trans('review_disabled_not_active', {}, 'dropzone'))
-            }
-          } else {
-            if (now(false) < dropzone.planning.review[0]) {
-              // drop has not already started
-              messages.push(trans('review_disabled_not_started', {}, 'dropzone'))
-            } else if (now(false) > dropzone.planning.review[1]) {
-              // drop has already finished
-              messages.push(trans('review_disabled_finished', {}, 'dropzone'))
-            }
           }
 
           break
diff --git a/src/plugin/drop-zone/Resources/translations/dropzone.fr.json b/src/plugin/drop-zone/Resources/translations/dropzone.fr.json
index 34473add856..6ac2780fb06 100644
--- a/src/plugin/drop-zone/Resources/translations/dropzone.fr.json
+++ b/src/plugin/drop-zone/Resources/translations/dropzone.fr.json
@@ -49,7 +49,7 @@
     "drop_comments": "Commentaires sur la production",
     "drop_date": "Date de dépôt",
     "drop_disabled_finished": "Le dépôt de productions est terminé.",
-    "drop_disabled_not_active": "Lé dépôt n'est pas activé.",
+    "drop_disabled_not_active": "Le dépôt n'est pas activé.",
     "drop_disabled_not_started": "Le dépôt de productions n'a pas encore commencé.",
     "drop_disabled_team_required": "Une équipe est requise.",
     "drop_disabled_user_required": "Un utilisateur est requis.",