phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dcdb3c313af746bb198b15d7bba50666' 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 ('dcdb3c313af746bb198b15d7bba50666', -1, 1762783169, 1762783169, 'd849d823', -4, 0, 0)

Line : 187
File : sessions.php