phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a28c78724d9904bdba92d517f089617b' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a28c78724d9904bdba92d517f089617b', -1, 1752796323, 1752796323, 'd849d898', 0, 0, 0)

Line : 187
File : sessions.php