The opkg install command failed with code 255

iam a new user. Just upgraded to openwrt. Want to install the first packages( i need openvpn & wireguard).
Connected by lan on modem and wan on router. (because of the probable internet connection problem caused this decided to) download packages and upload and install them. after multiple tries, some appeared in installed section
Screenshot 2024-09-13 luci_wireguard
Screenshot 2024-09-13 wireguard

but not the "openvpn-openssl_2.4.5-4.2_mipsel_24kc.ipk".
it shows this message:
Screenshot 2024-09-13 ssl_UploadError
The Link that used to download "mipsel_24kc" architecture packages