phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO oka_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('6502756edfc3c9aa2418e976210c50da', -1, 1550507018, 1550507018, '22e473d8', 28, 0)

Line : 184
File : /home/c128/public_html/talk/includes/sessions.php