phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4f436df33a229eddd0048b0ab9e3e35' 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 ('c4f436df33a229eddd0048b0ab9e3e35', -1, 1714203670, 1714203670, '1276e269', 2, 0, 0)

Line : 187
File : sessions.php