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 ('6b6fb1bf5ea0b0d62824f1eb6b7dc499', -1, 1715067891, 1715067891, '038f0973', 4, 0, 0)

Line : 189
File : sessions.php