phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9c28c29ead1382541f989f3d2123538' 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 ('a9c28c29ead1382541f989f3d2123538', -1, 1716328510, 1716328510, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php