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 ('9fde20302fe5ca177557f95848619ab0', -1, 1709110633, 1709110633, '2cd24d49', -10, 0, 0)

Line : 187
File : sessions.php