- Plesk Onyx for Linux
Accessing Plesk > Extensions > Extensions Catalog hangs and ends up with an error:
PLESK_ERROR: 502 Bad Gateway
Installation of one of micro-updates was not finished successfully.
Go to Tools & Settings > Updates & Upgrades and make sure that all updates are installed. If there is no updates, install/remove one of the additional components to reinstall all the microupdates.
Reinstall Plesk microupdates via SSH connection:
# /usr/local/psa/admin/sbin/autoinstaller --select-product-id plesk --select-release-current --reinstall-patch --install-component base