phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4b8cd880da0b5a7ab31a43c78ef26ddf' 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 ('4b8cd880da0b5a7ab31a43c78ef26ddf', -1, 1757018106, 1757018106, 'd849d8b5', 44, 0, 0)

Line : 187
File : sessions.php