Using custom library : "Cannot create unknown type" on execution

Hello everyone.

I’ve made a custom library, a simple one, that I published on a nuget server. That server was added in UiPath studio through the “Manage Packages”, as an User Defined Package Source. I can see and push packages, and they work fine when using them.

However, when actually using them on a process pushed to orchestrator, and launched on a virtual machine in attended mode, the execution of that specific library activity fails with the message “Cannot create unknown type: ‘{clr-namespace:(myLibraryName);assembly=(MyLibraryName)}(MyActivityName)’. at Source: (workflow that contains the library activity)”

I’ve noticed that the all_dependencies.json file in the nuget package of my process, it failed to get it :

Apparently it doesn’t even search in my User Defined Package Source

Any help would be appreciated, thanks.

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