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 ('1a6c17c04c26206fbc9fa61209f92606', -1, 1713551229, 1713551229, '12da3d10', -2, 0, 0)

Line : 187
File : sessions.php