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 ('78c930035ab9e6d369b2c0b8fc0b47c1', -1, 1715206522, 1715206522, '038668ad', -10, 0, 0)

Line : 189
File : sessions.php