phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c303ee88a651ccdc991849600f0b2ecc' 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, priv_session_id) VALUES ('c303ee88a651ccdc991849600f0b2ecc', -1, 1781158570, 1781158570, '6817f35c', -9, 0, 0, '151ad7494bfe4be5ec8086a67c7fec7c')

Line : 187
File : sessions.php