phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('14fdfaae286d94e08c91bce1924f95d8', -1, 1711610473, 1711610473, '03ef5d69', -7, 0, 0)

Line : 187
File : sessions.php