phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '64437b5c2d949d0c6d76c1f7dd15f2e8' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('64437b5c2d949d0c6d76c1f7dd15f2e8', -1, 1760977205, 1760977205, 'd849d8af', -4, 0, 0)

Line : 215
File : sessions.php