phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '27ca0b79e72bed0128a5ab1660a973fe' 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 ('27ca0b79e72bed0128a5ab1660a973fe', -1, 1766012242, 1766012242, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php