TypeError: C:\virtualShowrooms\nodes_projects\Stocklist framework\views\218\details.ejs:343
    341|     <h2>Specification</h2>

    342|     <div class="wrapper">

 >> 343|       <% if (response[0].specs.length > 0) { // SMS Customer 

    344| const specGroupClass = "spec_group";

    345| for (let i = 0; i < response[0].specs.length; i++) { %>

    346|       <div class="<%= specGroupClass %>">


Cannot read properties of undefined (reading 'length')
    at eval (eval at compile (C:\virtualShowrooms\nodes_projects\node_modules\ejs\lib\ejs.js:673:12), <anonymous>:647:29)
    at details (C:\virtualShowrooms\nodes_projects\node_modules\ejs\lib\ejs.js:703:17)
    at tryHandleCache (C:\virtualShowrooms\nodes_projects\node_modules\ejs\lib\ejs.js:274:36)
    at exports.renderFile [as engine] (C:\virtualShowrooms\nodes_projects\node_modules\ejs\lib\ejs.js:491:10)
    at View.render (C:\virtualShowrooms\nodes_projects\node_modules\express\lib\view.js:135:8)
    at tryRender (C:\virtualShowrooms\nodes_projects\node_modules\express\lib\application.js:657:10)
    at Function.render (C:\virtualShowrooms\nodes_projects\node_modules\express\lib\application.js:609:3)
    at ServerResponse.render (C:\virtualShowrooms\nodes_projects\node_modules\express\lib\response.js:1039:7)
    at detailsView (C:\virtualShowrooms\nodes_projects\Stocklist framework\controllers\stocklistController.js:280:13)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)