diff --git a/js/v2/bib-assignments.js b/js/v2/bib-assignments.js
index 82d6cf9..c4ba5bd 100644
--- a/js/v2/bib-assignments.js
+++ b/js/v2/bib-assignments.js
@@ -2408,7 +2408,8 @@
                 if (!/^\d+$/.test(strQteTotale)
                     || !Number.isSafeInteger(intQteTotale)
                     || intQteTotale > 9999999) {
-                    alert(bibJs('err-generic'));
+                    // MSIN-4479 — data-js-err-generic → dataset.jsErrGeneric
+                    alert(bibJs('jsErrGeneric') || 'Erreur');
                     return;
                 }
 
@@ -2443,10 +2444,10 @@
                             bibApplyQteData(result.data);
                             return;
                         }
-                        alert((result && result.message) || bibJs('err-generic'));
+                        alert((result && result.message) || bibJs('jsErrGeneric') || 'Erreur');
                     })
                     .catch(function () {
-                        alert(bibJs('server-error'));
+                        alert(bibJs('jsServerError') || bibJs('jsErrGeneric') || 'Erreur serveur');
                     })
                     .finally(function () {
                         bibLoaderHide();
diff --git a/php/inc_fx_promoteur.php b/php/inc_fx_promoteur.php
index f72066b..60e265b 100644
--- a/php/inc_fx_promoteur.php
+++ b/php/inc_fx_promoteur.php
@@ -2641,7 +2641,8 @@ function fxGetQuantitesEvenement($intEpreuve) {
 
             $sqlInscriptions = 'select p.no_bib, p.par_id, p.par_prenom, p.par_nom, e.pec_id_original, e.epr_id, e.eve_id, e.pec_id, e.is_cancelled, p.rol_id, e.no_commande, e.no_panier, e.no_equipe from resultats_epreuves_commandees e, resultats_participants p where p.is_cancelled = 0 AND p.epr_id = ' . intval($tabEpreuve['epr_id']) . ' AND p.epr_id = e.epr_id and p.pec_id = e.pec_id_original group by e.pec_id_original';
             $tabInscriptions = $objDatabase->fxGetResults($sqlInscriptions);
-            $intNbInscriptions = count($tabInscriptions);
+            // MSIN-4479 — fxGetResults peut renvoyer null (0 ligne) ; count(null) pollue le JSON AJAX si display_errors.
+            $intNbInscriptions = is_array($tabInscriptions) ? count($tabInscriptions) : 0;
 
             $intTotalOriginal += $tabEpreuve['epr_qte_origine'];
             $intTotalAvailable += $tabEpreuve['epr_qte'];
@@ -2681,7 +2682,8 @@ function fxGetQuantites($intEpreuve) {
 
     $sqlInscriptions = 'select p.no_bib, p.par_id, p.par_prenom, p.par_nom, e.pec_id_original, e.epr_id, e.eve_id, e.pec_id, e.is_cancelled, p.rol_id, e.no_commande, e.no_panier, e.no_equipe from resultats_epreuves_commandees e, resultats_participants p where p.is_cancelled = 0 AND p.epr_id = ' . intval($intEpreuve) . ' AND p.epr_id = e.epr_id and p.pec_id = e.pec_id_original group by e.pec_id_original';
     $tabInscriptions = $objDatabase->fxGetResults($sqlInscriptions);
-    $intNbInscriptions = count($tabInscriptions);
+    // MSIN-4479 — même garde que fxGetQuantitesEvenement (null = 0 inscription).
+    $intNbInscriptions = is_array($tabInscriptions) ? count($tabInscriptions) : 0;
 
     $arrRetour = array(
         'qte_origine' => intval($tabEpreuve['epr_qte_origine']),
diff --git a/php/inc_settings.php b/php/inc_settings.php
index b270d8a..37083d5 100644
--- a/php/inc_settings.php
+++ b/php/inc_settings.php
@@ -7,8 +7,8 @@
  * Constantes *
  *
  **************/
-define('_VERSION_CODE', '4.72.868'); // mise en prod — cache-bust loader CSS/JS (ms1-loader)
-define('_DATE_CODE', '2026-07-23');
+define('_VERSION_CODE', '4.72.869'); // MSIN-4479 — cache-bust bib-assignments (alert qte)
+define('_DATE_CODE', '2026-07-24');
 //MSIN-4290
 define('QR_SECRET_KEY', 'ms1_qr_2026_cle_secrete_longue_et_fixe');