phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '894e66639c463eb00b337dde0f9f0928' 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 ('894e66639c463eb00b337dde0f9f0928', -1, 1766497296, 1766497296, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php