utvideo: decode fail when "use temporal compression" option is enabled in encoder

[ami_stuff]

"use temporal compression - enable temporal (inter-frame) compression"

./ffmpeg -i utvideo_temporal.avi -y out.avi
ffmpeg version N-112164-gcb26b85953 Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
  configuration: 
  libavutil      58. 25.100 / 58. 25.100
  libavcodec     60. 27.100 / 60. 27.100
  libavformat    60. 13.100 / 60. 13.100
  libavdevice    60.  2.101 / 60.  2.101
  libavfilter     9. 11.100 /  9. 11.100
  libswscale      7.  3.100 /  7.  3.100
  libswresample   4. 11.100 /  4. 11.100
Input #0, avi, from 'utvideo_temporal.avi':
  Metadata:
    title           : Planet Earth II S01E01 4K
    software        : Lavf60.13.100
  Duration: 00:00:00.13, start: 0.000000, bitrate: 76313 kb/s
  Stream #0:0: Video: utvideo (UMRG / 0x47524D55), gbrp, 640x480, 23.98 fps, 23.98 tbr, 23.98 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (utvideo (native) -> mpeg4 (native))
Press [q] to stop, [?] for help
[vist#0:0/utvideo @ 0x56497e6ede40] Decoding error: Invalid data found when processing input
    Last message repeated 1 times
Output #0, avi, to 'out.avi':
  Metadata:
    INAM            : Planet Earth II S01E01 4K
    software        : Lavf60.13.100
    ISFT            : Lavf60.13.100
  Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(tv, progressive), 640x480, q=2-31, 200 kb/s, 23.98 fps, 23.98 tbn
    Metadata:
      encoder         : Lavc60.27.100 mpeg4
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
frame=    0 fps=0.0 q=4.3 size=       0kB time=00:00:00.00 bitrate=N/A speed=   [out#0/avi @ 0x56497e6ee800] video:30kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 18.425864%
frame=    1 fps=0.0 q=4.3 Lsize=      36kB time=00:00:00.00 bitrate=N/A speed=   0x