Fixed deletion of characters in the world locking up the party actor

lang/en.json

@@ -2660,7 +2660,8 @@
                 "subclassAlreadyLinked": "{name} is already a subclass in the class {class}. Remove it from there if you want it to be a subclass to this class.",
                 "gmRequired": "This action requires an online GM",
                 "gmOnly": "This can only be accessed by the GM",
-                "noActorOwnership": "You do not have permissions for this character"
+                "noActorOwnership": "You do not have permissions for this character",
+                "documentIsMissing": "The {documentType} is missing from the world."
             },
             "Sidebar": {
                 "daggerheartMenu": {

module/applications/ui/chatLog.mjs

@@ -195,6 +195,14 @@ export default class DhpChatLog extends foundry.applications.sidebar.tabs.ChatLo
         const { actor: actorData, trait } = foundry.utils.getProperty(message.system, path);
         const actor = game.actors.get(actorData._id);
 
+        if (!actor) {
+            return ui.notifications.error(
+                game.i18n.format('DAGGERHEART.UI.Notifications.documentIsMissing', {
+                    documentType: game.i18n.localize('TYPES.Actor.character')
+                })
+            );
+        }
+
         if (!actor.testUserPermission(game.user, 'OWNER')) {
             return ui.notifications.warn(game.i18n.localize('DAGGERHEART.UI.Notifications.noActorOwnership'));
         }
@@ -225,6 +233,8 @@ export default class DhpChatLog extends foundry.applications.sidebar.tabs.ChatLo
             })
         });
 
+        if (!result) return;
+
         const newMessageData = foundry.utils.deepClone(message.system);
         foundry.utils.setProperty(newMessageData, `${path}.result`, result.roll);
         const renderData = { system: new game.system.api.models.chatMessages.config.groupRoll(newMessageData) };

module/data/actor/character.mjs

@@ -672,9 +672,19 @@ export default class DhCharacter extends BaseDataActor {
         if (this.companion) {
             this.companion.updateLevel(1);
         }
+
+        if (this.parent.parties) {
+            for (const party of this.parent.parties) {
+                await party.update({
+                    'system.partyMembers': party.system.partyMembers.filter(x => x.uuid !== this.parent.uuid)
+                });
+            }
+        }
     }
 
     _getTags() {
-        return [this.class.value?.name, this.class.subclass?.name, this.community?.name, this.ancestry?.name].filter((t) => !!t);
+        return [this.class.value?.name, this.class.subclass?.name, this.community?.name, this.ancestry?.name].filter(
+            t => !!t
+        );
     }
 }

module/data/actor/party.mjs

@@ -32,7 +32,7 @@ export default class DhParty extends BaseDataActor {
         // Register this party to all members
         if (game.actors.get(this.parent.id) === this.parent) {
             for (const member of this.partyMembers) {
-                member.parties?.add(this.parent);
+                member?.parties?.add(this.parent);
             }
         }
     }
@@ -42,7 +42,7 @@ export default class DhParty extends BaseDataActor {
 
         // Clear this party from all members that aren't deleted
         for (const member of this.partyMembers) {
-            member.parties?.delete(this.parent);
+            member?.parties?.delete(this.parent);
         }
     }
 }

module/systemRegistration/migrations.mjs

@@ -4,6 +4,7 @@ export async function runMigrations() {
     let lastMigrationVersion = game.settings.get(CONFIG.DH.id, CONFIG.DH.SETTINGS.gameSettings.LastMigrationVersion);
     if (!lastMigrationVersion) lastMigrationVersion = game.system.version;
 
+    //#region old migrations
     if (foundry.utils.isNewerVersion('1.1.0', lastMigrationVersion)) {
         const lockedPacks = [];
         const compendiumActors = [];
@@ -190,6 +191,16 @@ export async function runMigrations() {
 
         lastMigrationVersion = '1.2.0';
     }
+    //#endregion
+
+    if (foundry.utils.isNewerVersion('1.2.2', lastMigrationVersion)) {
+        /* Delete any null party members caused by characters being deleted in the world prior to it being handled */
+        for (let party of game.actors.filter(x => x.type === 'party')) {
+            await party.update({ 'system.partyMembers': party.system.partyMembers.filter(x => x) });
+        }
+
+        lastMigrationVersion = '1.2.2';
+    }
 
     await game.settings.set(CONFIG.DH.id, CONFIG.DH.SETTINGS.gameSettings.LastMigrationVersion, lastMigrationVersion);
 }