# After I add TrajOptPlots packeg，the build meshcat went wrong，so as build TrajOptPlots

**URL:** <https://discourse.julialang.org/t/after-i-add-trajoptplots-packeg-the-build-meshcat-went-wrong-so-as-build-trajoptplots/107966>\
**Category:** General Usage\
**Tags:** question\
**Created:** [December 23, 2023, 3:27am UTC](https://discourse.julialang.org/t/after-i-add-trajoptplots-packeg-the-build-meshcat-went-wrong-so-as-build-trajoptplots/107966 "2023-12-23T03:27:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jinmingyue123](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jinmingyue123/32/205677_2.png) [@jinmingyue123](https://discourse.julialang.org/u/jinmingyue123)\
**Post date:** [December 23, 2023, 3:27am UTC](https://discourse.julialang.org/t/after-i-add-trajoptplots-packeg-the-build-meshcat-went-wrong-so-as-build-trajoptplots/107966/1 "2023-12-23T03:27:56Z")

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After I add TrajOptPlots packeg，the build meshcat went wrong，so as build TrajOptPlots. I have spent a lot of time to fix it. But still not fixed. Could you please help me with that.

ERROR: Error building `MeshCat`:

7-Zip 21.07 (x64) : Copyright (c) 1999-2021 Igor Pavlov : 2021-12-26

Scanning the drive for archives:  
1 file, 366785 bytes (359 KiB)

## Extracting archive: C:\Users\jmy\AppData\Local\Temp\jl\_tDEfV4\meshcat.zip

Path = C:\Users\jmy\AppData\Local\Temp\jl\_tDEfV4\meshcat.zip  
Type = zip  
Physical Size = 366785  
Comment = 2355f01a8310314c1d7fc7e51bd01006549beaae

ERROR: Cannot create symbolic link : �ͻ���û���������Ȩ�� : C:\Users\jmy\AppData\Local\Temp\jl\_tDEfV4\meshcat-2355f01a8310314c1d7fc7e51bd01006549beaae\test\main.js  
ERROR: Cannot create symbolic link : �ͻ���û���������Ȩ�� : C:\Users\jmy\AppData\Local\Temp\jl\_tDEfV4\meshcat-2355f01a8310314c1d7fc7e51bd01006549beaae\test\main.min.js

Sub items Errors: 2

Archives with Errors: 1

Sub items Errors: 2  
ERROR: LoadError: failed process: Process(`'F:\a_Julia-1.6.7\Julia-1.6.7\bin\..\libexec\7z.exe' x 'C:\Users\jmy\AppData\Local\Temp\jl_tDEfV4\meshcat.zip' -y '-oC:\Users\jmy\AppData\Local\Temp\jl_tDEfV4'`, ProcessExited(2)) [2]

Stacktrace:  
[1] pipeline\_error  
@ .\process.jl:538 [inlined]  
[2] run(::Cmd; wait::Bool)  
@ Base .\process.jl:453  
[3] run  
@ .\process.jl:451 [inlined]  
[4] (::var"#2#5")(download\_dir::String)  
@ Main C:\Users\jmy.julia\packages\MeshCat\GlCMx\deps\build.jl:37  
[5] mktempdir(fn::var"#2#5", parent::String; prefix::String)  
@ Base.Filesystem .\file.jl:729  
[6] mktempdir (repeats 2 times)  
@ .\file.jl:727 [inlined]  
[7] update\_meshcat()  
@ Main C:\Users\jmy.julia\packages\MeshCat\GlCMx\deps\build.jl:34  
[8] top-level scope  
@ C:\Users\jmy.julia\packages\MeshCat\GlCMx\deps\build.jl:45  
[9] include(fname::String)  
@ Base.MainInclude .\client.jl:444  
[10] top-level scope  
@ none:5  
in expression starting at C:\Users\jmy.julia\packages\MeshCat\GlCMx\deps\build.jl:45