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 ('1118fda0fcd98e2a8d3dbd0b4ce66d89', -1, 1715139217, 1715139217, '030feb68', 0, 0, 0)

Line : 189
File : sessions.php