phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2ee6a19cb67eb0ce5c1044d54f9fa537' 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 ('2ee6a19cb67eb0ce5c1044d54f9fa537', -1, 1770105559, 1770105559, 'd849d805', 2, 0, 0)

Line : 187
File : sessions.php