phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fddb3df6c0b8dd74ef3221fda56fd460' 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 ('fddb3df6c0b8dd74ef3221fda56fd460', -1, 1766006277, 1766006277, 'd849d8a5', -9, 0, 0)

Line : 187
File : sessions.php