timestampfile.txt missing for VirtualStage

It fails when reconstructing the video. It is looking for timestamfile.txt file which is not there. What am I missing? I assume this file should be created/generated somewhere? I am running with --no_kinect_mask option

Traceback (most recent call last): File ".\bg_matting.py", line 104, in reconstruct_all_video(original_videos, args.output_dir, output_suffix, outputs) File "C:\ailab-master\VirtualStage\BackgroundMatting\reconstruct.py", line 7, in reconstruct_all_video reconstruct_video(video, output_dir, suffix, outputs_list) File "C:\ailab-master\VirtualStage\BackgroundMatting\reconstruct.py", line 22, in reconstruct_video video, out_path + suffix, os.path.basename(video) + suffix, o, File "C:\ailab-master\VirtualStage\BackgroundMatting\reconstruct.py", line 60, in write_output_timestamp_file ts_in = open(os.path.join(input, "timestampfile.txt"), "rt") FileNotFoundError: [Errno 2] No such file or directory: 'C:\test\testvideo\timestampfile.txt'