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 ('1ca983c3e0a2c324f0f2c6f06b1e9d22', -1, 1715272610, 1715272610, '12776b60', -9, 0, 0)

Line : 189
File : sessions.php