phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9db888c1aec145a4a16c4c23f448f8a' 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 ('c9db888c1aec145a4a16c4c23f448f8a', -1, 1715114917, 1715114917, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php