phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f6f5ab82981124ab417749aa69aa3be' 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 ('9f6f5ab82981124ab417749aa69aa3be', -1, 1776240229, 1776240229, 'd849d833', -4, 0, 0)

Line : 187
File : sessions.php