phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'bbf36d06497bff22d7fd157d43e8c8b6' 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 ('bbf36d06497bff22d7fd157d43e8c8b6', -1, 1769341914, 1769341914, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php