phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cc85773669' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('cc85773669e4ec2074816404bde9a6f2', -1, 1451606521, 1451606521, '72f5e13e', 0, 0)

Line : 152
File : D:\sinoec.net\bbs\includes\sessions.php