phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6bc7eb0161821c0e0c4fc62ef9ed3c08' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6bc7eb0161821c0e0c4fc62ef9ed3c08', -1, 1739600368, 1739600368, '038b5172', 6, 0, 0)

Line : 187
File : sessions.php