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 ('e15ce818f6b1d5c04ac703fc3c46c5d7', -1, 1713270293, 1713270293, '12bd027a', -9, 0, 0)

Line : 187
File : sessions.php