diff --git a/packages/sdk/src/launch-params/retrieveLaunchParams.ts b/packages/sdk/src/launch-params/retrieveLaunchParams.ts
index 38d2fb498..9b3310584 100644
--- a/packages/sdk/src/launch-params/retrieveLaunchParams.ts
+++ b/packages/sdk/src/launch-params/retrieveLaunchParams.ts
@@ -29,5 +29,5 @@ export function retrieveLaunchParams(): LaunchParams {
     }
   }
 
-  throw new Error('Unable to retrieve launch parameters from any known source.');
+  throw new Error('Unable to retrieve launch parameters from any known source. Perhaps, you are opened your app outside of Telegram?\n\n 📖 Refer to docs for more information:\n https://docs.telegram-mini-apps.com/packages/telegram-apps-sdk/environment\n');
 }