phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f6c2d7734cc97d5d76d15e9abce90d6' 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 ('9f6c2d7734cc97d5d76d15e9abce90d6', -1, 1715987922, 1715987922, '0391a6a7', -1, 0, 0)

Line : 187
File : sessions.php