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) VALUES ('2b2b4c61e1b68657e220cd5777459e95', -1, 1714658786, 1714658786, '12bc420d', 10, 0)

Line : 158
File : sessions.php