diff --git a/database/DataBaseConnector.php b/database/DataBaseConnector.php
index 9112b2b..7fd91ee 100644
--- a/database/DataBaseConnector.php
+++ b/database/DataBaseConnector.php
@@ -277,8 +277,9 @@ na.validation_code as validation_code,ag.id as agentId,na.solde AS balance,na.et
             if($membre['category']=='super'){
                 $phone=$membre["phone"];
                 $demandere=mysqli_query($this->con,"SELECT etat FROM demandeAdhesion WHERE phone='$phone'");
-                if($demandere){
-                    $membre['etat_demande']=mysqli_fetch_array($demandere,MYSQLI_ASSOC)['etat'];
+                if(isset($demandere)){
+                   $demand = mysqli_fetch_array($demandere,MYSQLI_ASSOC);
+                   $membre['etat_demande']= isset($demand) ? $demand['etat'] : 1;
                 }
             }
             if($membre['category']!='geolocated'){
diff --git a/database/Requester.php b/database/Requester.php
index 89b35f3..06c19c0 100644
--- a/database/Requester.php
+++ b/database/Requester.php
@@ -560,7 +560,7 @@ class Requester
     public function getChildCode($codeparrain)
     {
         $r=$this->db->getCategoryAgent($codeparrain);
-            if($r['etat']==1){
+        if(isset($r) and $r['etat']==1){
         switch ($r['category']){
             case 'hyper':
                 $r['child']='super';
@@ -1033,7 +1033,7 @@ na.id as agent_id,ds.id,cg.code_membre as code_membre ,ds.id as demande_id FROM
     public function assignNetworkToAgent($agentId, $code_parrain, $phone)
     {
         $agent = $this->db->getAgentById($agentId);
-        if ($agent) {
+        if (isset($agent)) {
             $indicatif=$agent["indicatif"];
             if ($this->db->isPhoneExistedInCategory(null,null,$indicatif.$phone)) {
             $response["error"] = 1;
@@ -1041,7 +1041,7 @@ na.id as agent_id,ds.id,cg.code_membre as code_membre ,ds.id as demande_id FROM
             return json_encode($response);
         } else {
                 $parrain=$this->getChildCode($code_parrain);
-                if($parrain['child']==='geolocated'){
+                if(isset($parrain) and $parrain['child']==='geolocated'){
                 $user = $this->db->generateNetworkAgent($phone, $code_parrain,$agent);
                 if (isset($user['success'])) {
                      $result = $this->db->assignNetworkAgent($agentId, $user['id']);