Issue with video playback in the BlueCherry DVR

The BlueCherry Client 3.0.0 Beta 23, installed on Linux Xubuntu 24.04, does not play video in the Timeline of Events mode. However, when clicking “Show in full screen,” the video appears. The BlueCherry Client 3.0.0 Beta 23, installed on Linux Xubuntu 24.04, does not play video in the Timeline of Events mode. However, when clicking “Show in full screen,” the video appears.
Please help me resolve this issue.