une erreur est survenue

NoSelectableObject: args: (<cubicweb.pyramid.core.CubicWebPyramidRequest object at 0x7fc18d816e90>,), kwargs: ['klass', 'rset']
candidates: [<class 'cubicweb.web.views.baseviews.ListView'>]
CubicWeb version: 3.26.16
Cube compowritings version: 0.8.0
Cube registration version: 0.8.0
Cube relationwidget version: 0.5.2
Cube squareui version: 1.1.3
Cube bootstrap version: 1.6.5
Cube card version: 1.1.2
Cube ckeditor version: 0.2.0
Cube file version: 2.3.0
Cube forgotpwd version: 0.9.2
Cube rememberme version: 1.2.0