Getting the error while trying to install the Ultimate Pdf Application
Hi,
As a workaround, try downloading Ultimate PDF directly from the Forge website, then open/install the downloaded .oap file manually in Service Studio.
There has been a similar issue with Ultimate PDF before, and manually downloading the component from Forge was the accepted workaround: [Ultimate PDF] Forge | The application could not be downloaded from the web.
I would suggest,Download the component and upload the application through the Environment Service Center. Then, try to publish the application. Once the application is published successfully, you can consume its services in other applications.