Long time I have been facing this issue with all max boxes...
when watching a live channel, then changing to another channel the box will hang and need a power off and on
DEBUG:: 489s 268ms now Tue Aug 09 2022 08:34:49 GMT+0100 (BST) 267ms
DEBUG:: 489s 269ms stb.load()
DEBUG:: 489s 273ms params: ({type:watchdog, action:get_events, cur_play_type:1, event_active_id:0, init:0})
DEBUG:: 489s 354ms undefined
DEBUG:: 489s 358ms connection_problem.hide
DEBUG:: 489s 360ms authentication_problem.hide
DEBUG:: 489s 361ms watchdog.parse_result ({msgs:0, additional_services_on:1})
DEBUG:: 489s 362ms check_additional_services 1
DEBUG:: 580s 263ms stb.player.media_type stream
DEBUG:: 580s 265ms stb.cur_place tv
DEBUG:: 580s 267ms cur_play_type 1
DEBUG:: 580s 269ms now Tue Aug 09 2022 08:36:20 GMT+0100 (BST) 268ms
DEBUG:: 580s 273ms stb.load()
DEBUG:: 580s 276ms params: ({type:watchdog, action:get_events, cur_play_type:1, event_active_id:0, init:0})
DEBUG:: 580s 374ms req.responseText
[1;31mJS_msg: '
Error: SyntaxError: Unable to parse JSON string' line 768 source 'http://xxxxxxxxx/c/xpcom.common.js' [0m
DEBUG:: 671s 263ms stb.player.media_type stream
DEBUG:: 671s 265ms stb.cur_place tv
DEBUG:: 671s 266ms cur_play_type 1
DEBUG:: 671s 268ms now Tue Aug 09 2022 08:37:51 GMT+0100 (BST) 267ms
DEBUG:: 671s 269ms stb.load()
DEBUG:: 671s 272ms params: ({type:watchdog, action:get_events, cur_play_type:1, event_active_id:0, init:0})
DEBUG:: 671s 341ms req.responseText
[1;31mJS_msg: '
Error: SyntaxError: Unable to parse JSON string' line 768 source 'http://xxxxxxxx/c/xpcom.common.js' [0m
DEBUG:: 704s 503ms stb.load()
DEBUG:: 704s 505ms params: ({type:itv, action:set_played, itv_id:83450, censored:false})
DEBUG:: 704s 579ms req.responseText
[1;31mJS_msg: '
Error: SyntaxError: Unable to parse JSON string' line 768 source 'http://xxxxxxx/c/xpcom.common.js' [0m
DEBUG:: 712s 118ms screensaver.show
DEBUG:: 712s 120ms stb.player.on true
DEBUG:: 712s 122ms stb.IsPlaying true
DEBUG:: 712s 123ms is_playing true
DEBUG:: 762s 263ms stb.player.media_type stream
DEBUG:: 762s 265ms stb.cur_place tv
DEBUG:: 762s 267ms cur_play_type 1