phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7e6baf1fd176bb577dfbbbe5c3a0bc11' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7e6baf1fd176bb577dfbbbe5c3a0bc11', -1, 1223833721, 1223833721, '26673f3d', 585, 0, 0)

Line : 193
File : sessions.php