another fix for #1564 and fixed a rare crash that was introduced a year ago by 9053b1335a

src/server/config/spells/spellTemplate.js

@@ -64,7 +64,7 @@ module.exports = {
 	updateBase: function () {
 		if (this.castTime > 0) {
 			let action = this.currentAction;
-			if (_.getDeepProperty(action, 'target.destroyed') || !this.canCast(action.target)) {
+			if (_.getDeepProperty(action, 'target.destroyed') || (action && !this.canCast(action.target))) {
 				this.currentAction = null;
 				this.castTime = 0;
 				this.obj.syncer.set(false, null, 'casting', 0);

src/server/events/events.js

@@ -254,7 +254,7 @@ module.exports = {
 	stopAll: function () {
 		this.configs.forEach(c => {
 			if (c.event)
-				this.stopEvent(c);
+				c.event.done = true;
 		});
 	},