phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9fc986b51e0ad1179e5f9200997bf14' 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 ('b9fc986b51e0ad1179e5f9200997bf14', -1, 1714223476, 1714223476, '12e1ff86', 11, 0, 0)

Line : 187
File : sessions.php