phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7b443b8fad43242f0f06e0e0ff02d497' 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 ('7b443b8fad43242f0f06e0e0ff02d497', -1, 1768988957, 1768988957, 'd849d830', -9, 0, 0)

Line : 187
File : sessions.php