phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '613033763492770b9c12a1d82359e048' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('613033763492770b9c12a1d82359e048', -1, 1770184842, 1770184842, 'd849d805', -9, 0, 0)

Line : 187
File : sessions.php