# GKSQT problem, help needed to debug

**URL:** <https://discourse.julialang.org/t/gksqt-problem-help-needed-to-debug/106892>\
**Category:** General Usage\
**Created:** [November 29, 2023, 10:11am UTC](https://discourse.julialang.org/t/gksqt-problem-help-needed-to-debug/106892 "2023-11-29T10:11:13Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![mkitti](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mkitti/32/12459_2.png) [@mkitti](https://discourse.julialang.org/u/mkitti)\
**Post date:** [August 18, 2024, 6:25pm UTC](https://discourse.julialang.org/t/gksqt-problem-help-needed-to-debug/106892/8 "2024-08-18T18:25:10Z")

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For the `isopen(::HTTP.WebSockets.WebSocket)` issue, please see the investigation here. In particular, a downgrade of Mux to v0.7.6 appears to be required.

> [@Web apps with Mux + Plot + Interact do not interact any more](https://discourse.julialang.org/t/web-apps-with-mux-plot-interact-do-not-interact-any-more/118336/6):
>
> I was able to get this to work by downgrading Mux.jl to v0.7.6 and HTTP.jl to v0.9.17. Something seems to have been lost as HTTP.jl upgraded to version 1.0. (interact\_plot\_mux) pkg\> st Status `~/julia/discourse/interact_plot_mux/Project.toml` ⌅ [cd3eb016] HTTP v0.9.17 [c601a237] Interact v0.10.5 ⌃ [a975b10e] Mux v0.7.6 [91a5bcdd] Plots v1.40.5 Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility cons…

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_[View the full topic](https://discourse.julialang.org/t/gksqt-problem-help-needed-to-debug/106892)._