phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6643c799b293f4a731f7d5b59f978a7d' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('6643c799b293f4a731f7d5b59f978a7d', -1, 1714292623, 1714292623, '030e0f5e', -4, 0)

Line : 187
File : sessions.php