Check for directory

src/freedombone-utils-webadmin

@@ -467,7 +467,10 @@ function web_admin_reset {
     if [ -f /etc/nginx/.webadminpasswd ]; then
         rm /etc/nginx/.webadminpasswd
     fi
-    touch "$webadmin_install_dir/.setupscreenactive"
+
+    if [ -d "$webadmin_install_dir" ]; then
+        touch "$webadmin_install_dir/.setupscreenactive"
+    fi
 
     install_web_admin
 }