cubicweb-skos #10208938 Problem after adding a source in CW 3.22 [deprecated]

Using this cube (v0.8.0) with CubicWeb 3.22.0, when adding a CW Source, an error occurs after validating the form. The following error message is shown:

SelectAmbiguity: select ambiguity: [<class 'cubicweb.web.views.cwsources.CWSourceSyncAction'>, <class 'cubes.skos.views.CWSourceSyncAction'>]
prioritynormal
typebug
done in<not specified>
load0.000
load left0.000
closed by<not specified>