diff --git a/woocommerce/changelog.txt b/woocommerce/changelog.txt
index 3d7b4af50..db9446c8c 100644
--- a/woocommerce/changelog.txt
+++ b/woocommerce/changelog.txt
@@ -1,6 +1,7 @@
 *** SkyVerge WooCommerce Plugin Framework Changelog ***
 
 2026.nn.nn - version 6.2.1
+* Fix - Protect against `ScriptHelper` fatal errors on plugin upgrades
 
 2026.04.16 - version 6.2.0
 * New - Added REST API support to Abilities for automatic route registration
diff --git a/woocommerce/class-sv-wc-admin-notice-handler.php b/woocommerce/class-sv-wc-admin-notice-handler.php
index 95e23cc3f..3410c2e0f 100644
--- a/woocommerce/class-sv-wc-admin-notice-handler.php
+++ b/woocommerce/class-sv-wc-admin-notice-handler.php
@@ -252,6 +252,11 @@ public function render_admin_notice_js() {
 			return;
 		}
 
+		// Bail if the script helper class does not exist. This can occur in the middle of plugin upgrades.
+		if (! class_exists(ScriptHelper::class)) {
+			return;
+		}
+
 		$plugin_slug = $this->get_plugin()->get_id_dasherized();
 
 		self::$admin_notice_js_rendered = true;