Item soft rejected for reason ! Please Help

[Raddaoui]

Hello guys,
My item soft rejected, this is one of the reason, and i can’t find the solution, Can you please help me

[Raddaoui]

Anyone can help me ?

[DevSolution]

try this code in function.php

<?php 
ob_start(); // set this before other codes
?>

[Raddaoui]

Thank you so much