phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '881f2043a61d4f5bbedd58f72df70742' 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 ('881f2043a61d4f5bbedd58f72df70742', -1, 1762000166, 1762000166, 'd849d80a', 12, 0, 0)

Line : 187
File : sessions.php