Hello. There was a problem with omx player on raspberry pi 4. The system works as a media player with a playlist and a time schedule. I can't understand the error code and what is it related to?

[veppan]

Jan 01 13:49:57 search_next_in_playlist() [1]: cur_play_m = {'media': '/home/pi/tvnet/media/05_Menu_OM_slideshow_v4_FINAL.mp4', 'state': 'fade-in', 'play_duration': 0, 'alpha': 0, 'type': 'video', 'media_duration': 2152.7, 'started_time': 1609498197.6005728}
search_next exit: [{'start_time': '10:00:00', 'end_time': '23:00:00', 'is_shuffle': 0, 'pl': [{'media': '/home/pi/tvnet/media/01_Menu_OM_slideshow_v4_FINAL.mp4', 'play_duration': 0, 'played': True}, {'media': '/home/pi/tvnet/media/02_SHOV_mpeg4_p1_edit.mkv.mp4', 'play_duration': 0, 'played': True}, {'media': '/home/pi/tvnet/media/03_Menu_OM_slideshow_v4_FINAL.mp4', 'play_duration': 0, 'played': True}, {'media': '/home/pi/tvnet/media/04_SHOV_mpeg4_p2_edit.mkv.mp4', 'play_duration': 0, 'played': True}, {'media': '/home/pi/tvnet/media/05_Menu_OM_slideshow_v4_FINAL.mp4', 'play_duration': 0, 'played': True}, {'media': '/home/pi/tvnet/media/06_SHOV_mpeg4_p3_edit.mkv.mp4', 'play_duration': 0, 'played': False}]}]
Traceback (most recent call last):
File "./play.py", line 366, in
sys.exit(main(sys.argv))
File "./play.py", line 297, in main
omxs[m].set_alpha(cur_play[m]['alpha'])
File "</home/pi/.local/lib/python3.7/site-packages/decorator.py:decorator-gen-65>", line 2, in set_alpha
File "/home/pi/.local/lib/python3.7/site-packages/omxplayer/player.py", line 48, in wrapped
return fn(self, *args, **kwargs)
File "</home/pi/.local/lib/python3.7/site-packages/decorator.py:decorator-gen-64>", line 2, in set_alpha
File "/home/pi/.local/lib/python3.7/site-packages/omxplayer/player.py", line 85, in wrapped
return from_dbus_type(fn(self, *args, **kwargs))
File "/home/pi/.local/lib/python3.7/site-packages/omxplayer/player.py", line 586, in set_alpha
self._player_interface.SetAlpha(ObjectPath('/not/used'), Int64(alpha))
File "/home/pi/.local/lib/python3.7/site-packages/dbus/proxies.py", line 147, in call
**keywords)
File "/home/pi/.local/lib/python3.7/site-packages/dbus/connection.py", line 653, in call_blocking
message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

[veppan]

this error occurred for the first time