phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c5dd2e756d3b0dadf4204ea7724c073b', -1, 1715038958, 1715038958, '0381f969', -10, 0, 0)

Line : 189
File : sessions.php