phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd6e204a8fd9c1615ddfa953f70710835' 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 ('d6e204a8fd9c1615ddfa953f70710835', -1, 1780742885, 1780742885, 'd849d945', -9, 0, 0)

Line : 187
File : sessions.php