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 ('8688a0b5cdb8c1527eb4f61598efcd51', -1, 1715309214, 1715309214, '12db0e3f', 8, 0, 0)

Line : 189
File : sessions.php