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 ('9a5e6207b0bb158c083a55f697c84e62', -1, 1711655829, 1711655829, '2cc8f92a', 5, 0, 0)

Line : 187
File : sessions.php