phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('df2e29e28ba8f4b05b2e14347a004c07', -1, 1635213037, 1635213037, '035003c0', 49, 0, 0)

Line : 187
File : sessions.php