[2026-01-18 17:04:29] Empty POST data received

[2026-01-18 18:00:36] === NEW ITN REQUEST ===
[2026-01-18 18:00:36] Method: POST
[2026-01-18 18:00:36] Content-Type: application/x-www-form-urlencoded; charset=utf-8
[2026-01-18 18:00:36] Raw php://input length: 10 chars
[2026-01-18 18:00:36] Raw php://input (first 500 chars): user_id=18
[2026-01-18 18:00:36] Parsed _POST count: 1
[2026-01-18 18:00:36] _POST keys received: user_id