I've used Smart PSS for several years now and it works well besides random crashes but that's not my main concern. Starting this morning when I try review playback on a few of my cameras I get the "Failed to start playback. NETSDK returns error" (see screenshot below), some of the cameras I can review the playback just fine. From the NVR web page I'm able to playback on ALL the cameras just fine so I don't think its a hardware issue (hard drive, ect). The black gaps you see in thes screenshot below are from when I turned off the NVR and rebooted it a couple of times. I updated Smart and the issue persists, anyone have any ideas? Thank you