phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2bf90f240b2f9f012ba44bb9e5f0c979' 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 ('2bf90f240b2f9f012ba44bb9e5f0c979', -1, 1762348745, 1762348745, 'd849d89d', 5, 0, 0)

Line : 215
File : sessions.php