phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '73967d2b3d39f9d7deaa3478f23d005d' 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 ('73967d2b3d39f9d7deaa3478f23d005d', -1, 1783579064, 1783579064, 'd849d935', 5, 0, 0)

Line : 187
File : sessions.php