What potential issue is the user facing when trying to display all comments for a tutorial using the provided PHP script?

The potential issue the user is facing when trying to display all comments for a tutorial using the provided PHP script is that the script may not be retrieving all comments from the database due to a limit set in the SQL query. To solve this issue, the user should remove the limit clause from the SQL query to fetch all comments.

// Original SQL query with limit clause
$sql = "SELECT * FROM comments WHERE tutorial_id = $tutorial_id LIMIT 10";

// Updated SQL query without limit clause
$sql = "SELECT * FROM comments WHERE tutorial_id = $tutorial_id";