phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '026fca7f2d08fd7504556a1d495a30b8' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('026fca7f2d08fd7504556a1d495a30b8', -1, 1770173878, 1770173878, 'd849d890', 40, 0)

Line : 337
File : sessions.php