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 ('073f75ce00bd635b51a579a4a5efa7e5', -1, 1713572354, 1713572354, '12bfab14', 0, 0, 0)

Line : 187
File : sessions.php