phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1261f6b7937962b257ef2c6a0d40049c' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('1261f6b7937962b257ef2c6a0d40049c', -1, 1773439384, 1773439384, 'd849d8df', -9, 0)

Line : 180
File : /www/includes/sessions.php