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 ('5222832c1905f591efb2982f137fa163', -1, 1713425635, 1713425635, '12df6b7c', -7, 0, 0)

Line : 187
File : sessions.php