phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b8cf106568ab86b025d75c7c5ccce04c' for key 'travo_sessions.PRIMARY'

INSERT INTO travo_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b8cf106568ab86b025d75c7c5ccce04c', -1, 1766447023, 1766447023, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php