SymptomsBlank page is shown during application installation. After accepting license agreement, browser displays blank page in Control Panel.
Control Panel -> tab Applications -> choose any application and click the "Install" button -> accept license agreement -> blank page is displayed after clicking the "Next" button.
The following error message can be found at the Event Viewer:
php, PHP Fatal error: Call to undefined method PHosting::getSameSsl() in C:\Program Files\SWsoft\Plesk\admin\smb\application\library\Smb\Form\Element\Aps\DestinationContext.php on line 64.
Such problem appears if application is installed on the domain with enabled SSL support.
ResolutionThis issue can be fixed by applying hotfix on the server.
Replace the file %plesk_dir%\admin\smb\application\library\Smb\Form\Element\Aps\DestinationContext.php with the file from the attachment.
Do not forget to backup the original file.