phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '224175aa243a9b65f5c0cadafe7dde22' for key 1

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('224175aa243a9b65f5c0cadafe7dde22', -1, 1490597118, 1490597118, '369e6d59', 19, 0, 0)

Line : 187
File : sessions.php