Warnings about online templates

When running lutra with the -f option, the following warnings are generated. Can these warnings be switched off without switching off error msgs as well? Is there something wrong with the templates online?

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/pizza/0.1/NamedPizza[ ?blank407 : owl:Cl ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/pizza/0.1/PizzaTopping[ ?blank411 : owl: ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/pizza/0.1/Annotation[ ?blank416 : LUB<ot ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/pizza/0.1/Partition[ ?blank421 : LUB<ott ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/rdfs/0.1/Label[ ?blank425 : ottr:IRI, ?b ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/rdfs/0.1/ResourceDescription[ ?blank427  ...

[WARNING] Suspicious argument value: ottr:draft : LUB<ottr:IRI>. The value is in the ottr namespace: http://ns.ottr.xyz/0.4/
>>> at [1: 1] (xyz.ottr.lutra.model.Template) http://tpl.ottr.xyz/rdfs/0.1/TypedResourceDescription[ ?blan ...