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 ('91832825c9c5606ea7f4152de09aaca1', -1, 1714396948, 1714396948, '038cbc10', 23, 0)

Line : 158
File : sessions.php