Changes
var basePage = getParameterByName('Scenario_Task_Translation[Base+Page]');
if (basePage && $('#basePageText')) { // 'textarea[name="Scenario Task Translation[Scenario Task Description]"]') && $('#basePageText')) { //
var query = 'https://learn.equalit.ie/mw/api.php?action=ask&query=[[' + basePage + ']]|?Scenario Task Description&format=json';
console.log('q', query);
try {
var val = d.query.results[basePage].printouts['Scenario Task Description'];
$('#basePageTexttextarea[name="Scenario Task Translation[Scenario Task Description]"]').htmlafter('<div>' + val+ '</div>');
} catch (e) {
console.log("failed parsing", datda);
