Elementor Pro update did not work on WordPress Multisite

On a WordPress Multisite Installation I have installed Elementor and Elementor Pro. Both is not enabled for all sites. Trying to Elementor Pro update within the upgrade-feature of WordPress from Elementor Pro 2.8.3 to 2.8.4 did not work properly. Even trying to download Elementor Pro locally and reinstall it with upload feature did not work […]