Help me in solving JS20A problem

help
,
1

My issue

error generating in this problem after entering correct code and even after copying it from the solution tab

My code

// Add the code below this line
// document.body.innerHTML = '<h2>CodeChef is the best!!!</h2>';
document.body.innerHTML = '<h2>CodeChef is the best!!!</h2>';

Learning course: Web development using JavaScript
Problem Link: CodeChef: Practical coding for everyone