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 ('10998e18e6a44f26d2fe2c6b71b78e09', -1, 1713553990, 1713553990, '0d3b24cb', -10, 0, 0)

Line : 187
File : sessions.php