diff --git a/includes/class-ecwid-admin-main-page.php b/includes/class-ecwid-admin-main-page.php
index 915e6b12..e43c572a 100644
--- a/includes/class-ecwid-admin-main-page.php
+++ b/includes/class-ecwid-admin-main-page.php
@@ -146,7 +146,7 @@ public function _do_integrated_admin_page( $page = self::PAGE_HASH_DASHBOARD ) {
 			$result  = $request->do_request( array( 'timeout' => 20 ) );
 		}//end if
 
-		if ( $result['code'] == 403 ) {
+		if ( ! empty( $result ) && $result['code'] == 403 ) {
 			Ecwid_Api_V3::save_token( '' );
 		}
 
diff --git a/templates/debug.php b/templates/debug.php
index 38933cbb..afb2aa0a 100644
--- a/templates/debug.php
+++ b/templates/debug.php
@@ -78,6 +78,22 @@
 		<div>Theme identification</div>
 		<div><?php echo esc_html( ecwid_get_theme_identification() ); ?></div>
 	</div>
+	<div class="section">
+		<div>Config URLs matching</div>
+		<div>
+		<p>
+		<?php
+		if ( defined( 'WP_SITEURL' ) ) {
+			echo esc_html( sprintf( 'WP_SITEURL: %s', WP_SITEURL ) );
+		} else {
+			echo 'WP_SITEURL isn\'t defined';
+		}
+		?>
+		</p>
+		<p><?php echo esc_html( sprintf( "Option 'siteurl': %s", get_option( 'siteurl' ) ) ); ?></p>
+		<p><?php echo esc_html( sprintf( 'admin_url(): %s', admin_url() ) ); ?></p>
+		</div>
+	</div>
 	<div class="section">
 		<div>Affiliate Ref ID</div>
 		<div><?php echo esc_html( apply_filters( 'ecwid_get_new_store_ref_id', '' ) ); ?></div>