phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6c786edf052a07cacc2b46da726cc3ec' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6c786edf052a07cacc2b46da726cc3ec', -1, 1736709606, 1736709606, '0391ca3c', -4, 0, 0)

Line : 187
File : sessions.php