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 ('1aac6584da04c8eb346422599e311560', -1, 1715166222, 1715166222, '038aafb4', -11, 0, 0)

Line : 189
File : sessions.php