phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '28f9ac0100574f38b421a9acb1e95b81' 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 ('28f9ac0100574f38b421a9acb1e95b81', -1, 1714667972, 1714667972, '12776b60', -4, 0, 0)

Line : 187
File : sessions.php