GX-Entwicklung

Open product properties and try to edit one.

Expected:
Product combination opens normally.

Actual:
Error message and 500 error in POST request for /request_port.php?module=LightboxPluginAdmin

Stack:

FATAL ERROR(1): "Uncaught Error: Call to undefined method PropertiesCombisAdminContentView::getAdminLanguages() in /var/www/html/gxdevtest/src/system/classes/properties/PropertiesCombisAdminContentView.inc.php:290
Stack trace:
#0 /var/www/html/gxdevtest/src/system/classes/properties/PropertiesCombisAdminContentView.inc.php(48): PropertiesCombisAdminContentView->get_properties_combis_edit(Array)
#1 /var/www/html/gxdevtest/src/system/classes/lightbox/LightboxPluginAdminAjaxHandler.inc.php(131): PropertiesCombisAdminContentView->get_html_array(Array)
#2 /var/www/html/gxdevtest/src/system/classes/lightbox/LightboxPluginAdminAjaxHandler.inc.php(42): LightboxPluginAdminAjaxHandler->get_template('properties_comb...', 'properties', Array)
#3 /var/www/html/gxdevtest/src/system/core/RequestRouter.inc.php(93): LightboxPluginAdminAjaxHandler->proceed()
#4 /var/www/html/gxdevtest/src/admin/request_port.php(112): RequestRouter->proceed('LightboxPluginA...')
#5 {main}
  thrown"