diff --git a/module/actor.js b/module/actor.js
index 105a9bef..de93a0ae 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -172,6 +172,7 @@ export class RdDActor extends Actor {
     // Initialize empty items
     RdDCarac.computeCarac(actorData.data);
     this.computeIsHautRevant();
+    await this.cleanupConteneurs();
     await this.computeEncombrementTotalEtMalusArmure();
     this.computePrixTotalEquipement();
     this.computeEtatGeneral();
@@ -179,6 +180,16 @@ export class RdDActor extends Actor {
     await this.checkMonnaiePresence(actorData.items);
   }
 
+  /* -------------------------------------------- */
+  async cleanupConteneurs() {
+    let updates = this.listItemsData('conteneur')
+      .filter(c => c.data.contenu.filter(id => this.getObjet(id) == undefined).length > 0)
+      .map(c => { return { _id: c._id, 'data.contenu': c.data.contenu.filter(id => this.getObjet(id) != undefined) } });
+    if (updates.length > 0) {
+      await this.updateEmbeddedDocuments("Item", updates)
+    }
+  }
+
   /* -------------------------------------------- */
   async checkMonnaiePresence(items) { // Ajout opportuniste si les pièces n'existent pas.
     if (!items) return; // Sanity check during import
@@ -4060,7 +4071,7 @@ export class RdDActor extends Actor {
   notifyGestionTeteSouffleQueue(item, manualMessage = true) {
     ChatMessage.create({
       whisper: ChatUtility.getWhisperRecipientsAndGMs(game.user.name),
-      content: `${this.name} a reçu un/une ${item.type}: ${item.name}, qui ${manualMessage ? "n'est pas" : "est"} géré automatiquement. ${manualMessage ?? ''}`
+      content: `${this.name} a reçu un/une ${item.type}: ${item.name}, qui ${manualMessage ? "n'est pas" : "est"} géré(e) automatiquement. ${manualMessage ? manualMessage : ''}`
     });
   }
 }
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index 75cca74b..f3c36f7c 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -357,7 +357,8 @@ export class RdDUtility {
   static calculEncContenu(conteneur, objets) {
     const itemData = Misc.data(conteneur);
     const contenuDatas = (itemData.data.contenu ?? []).filter(id => id != undefined)
-      .map(id => Misc.data(objets.find(it => (id == it._id))));
+      .map(id => Misc.data(objets.find(it => (id == it._id))))
+      .filter(it => it);
     let enc = Number(itemData.data.encombrement ?? 0) * Number(itemData.data.quantite ?? 1);
     for (let itemData of contenuDatas){
       if (itemData.type == 'conteneur') {