phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f874e6bdad1ef2812e7ebc8b22d2c51' 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 ('8f874e6bdad1ef2812e7ebc8b22d2c51', -1, 1756733295, 1756733295, 'd849d81f', 2, 0, 0)

Line : 187
File : sessions.php