phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7f943b9a9f7997c9dc65a5b95df7f250' 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 ('7f943b9a9f7997c9dc65a5b95df7f250', -1, 1756925629, 1756925629, 'd849d87b', 7, 0, 0)

Line : 187
File : sessions.php