From 53ed98bb3f2c412451f24d11fd1248eaffecbfe3 Mon Sep 17 00:00:00 2001
From: SteVen Batten <6561887+sbatten@users.noreply.github.com>
Date: Fri, 29 Oct 2021 12:58:41 -0700
Subject: [PATCH] fixes #135916 (#136126)

---
 src/vs/workbench/browser/parts/panel/panelPart.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/workbench/browser/parts/panel/panelPart.ts b/src/vs/workbench/browser/parts/panel/panelPart.ts
index 2e29a8fca84..d6d37e947c8 100644
--- a/src/vs/workbench/browser/parts/panel/panelPart.ts
+++ b/src/vs/workbench/browser/parts/panel/panelPart.ts
@@ -269,7 +269,7 @@ export abstract class BasePanelPart extends CompositePart<PaneComposite> impleme
 
 		if (activeContainers.length) {
 			if (this.getActivePaneComposite()?.getId() === panelId) {
-				const defaultPanelId = this.viewDescriptorService.getDefaultViewContainer(this.viewContainerLocation)!.id;
+				const defaultPanelId = this.viewDescriptorService.getDefaultViewContainer(this.viewContainerLocation)?.id;
 				const containerToOpen = activeContainers.filter(c => c.id === defaultPanelId)[0] || activeContainers[0];
 				await this.openPaneComposite(containerToOpen.id);
 			}