phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6dd79986509d0d4421214d9d8e0c3e6c' 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 ('6dd79986509d0d4421214d9d8e0c3e6c', -1, 1715783876, 1715783876, '12ddbf38', 2, 0, 0)

Line : 187
File : sessions.php