phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9e57c477a411abc8288fd1a87fcc1af5' 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 ('9e57c477a411abc8288fd1a87fcc1af5', -1, 1772097207, 1772097207, 'd849d879', 1, 0, 0)

Line : 187
File : sessions.php