ReferenceError: /app/views/client/error.ejs:21
   19|         <h2>File not found</h2>
   20|         <div>
>> 21|           {%= data%}
   22|         </div>
   23|       </div>
   24|

data is not defined
   at eval (eval at compile (/app/node_modules/ejs/lib/ejs.js:662:12), <anonymous>:12:26)
   at error (/app/node_modules/ejs/lib/ejs.js:692:17)
   at tryHandleCache (/app/node_modules/ejs/lib/ejs.js:272:36)
   at View.exports.renderFile [as engine] (/app/node_modules/ejs/lib/ejs.js:489:10)
   at View.render (/app/node_modules/express/lib/view.js:135:8)
   at tryRender (/app/node_modules/express/lib/application.js:640:10)
   at Function.render (/app/node_modules/express/lib/application.js:592:3)
   at ServerResponse.render (/app/node_modules/express/lib/response.js:1012:7)
   at /app/routers/client/routes_tfl.js:874:11
   at runMicrotasks (<anonymous>)