phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd4790d0e84811c1e95026b13fac914c1' 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 ('d4790d0e84811c1e95026b13fac914c1', -1, 1767862416, 1767862416, 'd849d805', 2, 0, 0)

Line : 187
File : sessions.php