phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '11a19d639fefc99f793ad9bcf9a7dfd5' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('11a19d639fefc99f793ad9bcf9a7dfd5', -1, 1770838857, 1770838857, 'd849d872', -4, 0, 0)

Line : 187
File : sessions.php