Cannot read properties of undefined (reading 'forEach')
TypeError: Cannot read properties of undefined (reading 'forEach')
at https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:736:4905
at e (https://mycourses.aalto.fi/lib/javascript.php/1741683678/lib/jquery/jquery-3.7.1.min.js:2:27028)
at t (https://mycourses.aalto.fi/lib/javascript.php/1741683678/lib/jquery/jquery-3.7.1.min.js:2:27330)
