help with getuisettings error

[tryoutuser]

[05.01.2023 23:33:51] Bad response from server: (200 [parsererror,getuisettings]) {"webui.fls.view":0,"webui.show_cats":1,"webui.show_dets":1,"webui.needmessage":1,"webui.reqtimeout":30000,"webui.confirm_when_deleting":1,"webui.alternate_color":0,"webui.update_interval":3000,"webui.hsplit":0.88,"webui.vsplit":0.5,"webui.effects":0,"webui.fullrows":0,"webui.no_delaying_draw":1,"webui.search":-1,"webui.speedlistdl":"128,512,1024,2048,3072,4096,5120,6144,7168,8192,9216,10240","webui.speedlistul":"128,512,1024,2048,3072,4096,5120,6144,7168,8192,9216,10240","webui.ignore_timeouts":0,"webui.retry_on_error":120,"webui.closed_panels":{"ptrackers":false,"pstate":false,"plabel":false,"flabel":false,"prss":false},"webui.open_tegs.last":["asa","(TV)","

help.
can somebody explain to me where did i screw up?

[stickz]

Could you please provide more details about your setup and clear your web browser cache?

[tryoutuser]

my setup is i've shared this rutorrent login with my friend and he got a 2K monitor. when i open with my 1080p monitor rutorrent gave me that error.
rutorrent commit 55e533a
debian 11

[tryoutuser]

i'm opening rutorrent always in incognito so my browser did not store any cache for it