phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21d24cc6f466be41b6168f7807a60939' 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 ('21d24cc6f466be41b6168f7807a60939', -1, 1753464871, 1753464871, 'd849d8ff', -9, 0, 0)

Line : 187
File : sessions.php