phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9dcd853920bb108691f50ea1478d0ab' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9dcd853920bb108691f50ea1478d0ab', -1, 1715301399, 1715301399, '03935918', 0, 0, 0)

Line : 187
File : sessions.php