phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c6a9ccb729e1b8d72b6a7e42c63f8e8d' 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 ('c6a9ccb729e1b8d72b6a7e42c63f8e8d', -1, 1714403695, 1714403695, 'c0a80201', -7, 0, 0)

Line : 187
File : sessions.php