Undefined property: stdClass::$error in class.xoctSecureLink.php:51 when sign player link is active

[reiferschris]

Describe the bug
When signing (for the player link) is active an error is thrown

To Reproduce
Steps to reproduce the behavior:

1. Activate signing for the player link (stream-security)
2. Play a video
3. See error

Expected behavior
Video plays with signed links

Screenshots
If applicable, add screenshots to help explain your problem.

Log

Whoops\Exception\ErrorException thrown with message "Undefined property: stdClass::$error"

Stacktrace:
#18 Whoops\Exception\ErrorException in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.xoctSecureLink.php:51
#17 ilErrorHandling:handlePreWhoops in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.xoctSecureLink.php:51
#16 xoctSecureLink:sign in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.xoctSecureLink.php:116
#15 xoctSecureLink:signPlayer in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/src/Util/Player/StandardPlayerDataBuilder.php:235
#14 srag\Plugins\Opencast\Util\Player\StandardPlayerDataBuilder:buildSource in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/src/Util/Player/StandardPlayerDataBuilder.php:211
#13 srag\Plugins\Opencast\Util\Player\StandardPlayerDataBuilder:buildStreams in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/src/Util/Player/StandardPlayerDataBuilder.php:62
#12 srag\Plugins\Opencast\Util\Player\StandardPlayerDataBuilder:buildStreamingData in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/Player/class.xoctPlayerGUI.php:76
#11 xoctPlayerGUI:streamVideo in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.xoctGUI.php:59
#10 xoctGUI:performCommand in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.xoctGUI.php:53
#9 xoctGUI:executeCommand in /srv/www/project1/Services/UICore/classes/class.ilCtrl.php:119
#8 ilCtrl:forwardCommand in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/Event/class.xoctEventGUI.php:170
#7 xoctEventGUI:executeCommand in /srv/www/project1/Services/UICore/classes/class.ilCtrl.php:119
#6 ilCtrl:forwardCommand in /srv/www/project1/Customizing/global/plugins/Services/Repository/RepositoryObject/OpenCast/classes/class.ilObjOpenCastGUI.php:155
#5 ilObjOpenCastGUI:executeCommand in /srv/www/project1/Services/UICore/classes/class.ilCtrl.php:119
#4 ilCtrl:forwardCommand in /srv/www/project1/Services/Repository/classes/class.ilRepositoryGUI.php:244
#3 ilRepositoryGUI:show in /srv/www/project1/Services/Repository/classes/class.ilRepositoryGUI.php:224
#2 ilRepositoryGUI:executeCommand in /srv/www/project1/Services/UICore/classes/class.ilCtrl.php:119
#1 ilCtrl:forwardCommand in /srv/www/project1/Services/UICore/classes/class.ilCtrl.php:92
#0 ilCtrl:callBaseClass in /srv/www/project1/ilias.php:24

Environment (please complete the following information):

• ILIAS version: [v9.5.0]
• PHP version: [8.1.2]
• Plugin version: [https://github.com/ILIAS 9 Support #358]
• Opencast version [13]
• Browser: [firefox]

Additional context
Add any other context about the problem here.