Query not found.

[ayhanuysal]

Hello, I am getting an error like below
index.php
$requestBody = json_decode(file_get_contents('php://input'), true);
Line 34 returns empty. Can anyone help?

Body

{
"query": "topics",
"condition": "all"
}

Response

{
"status": "Error",
"message": "Query not found."
}

osTicket-v1.18.1