une erreur est survenue

ValueError: incomplete format
CubicWeb version: 3.22.4
Cube bahf version: 1.0.7
Cube pslbib version: 1.0.10
Cube relationwidget version: 0.4.1
Cube squareui version: 1.0.2
Cube bootstrap version: 1.2.2
Cube card version: 0.5.8
Cube ckeditor version: 0.1.2
Cube file version: 1.17.0
Cube geocoding version: 0.2.1
Cube leaflet version: 0.6.0
Cube oaipmh version: 0.4.0
Cube pyramid version: 0.4.0
Cube rememberme version: 1.0.0
Cube rqlcontroller version: 0.3.1
Cube skos version: 0.12.0