A value has been set on the variation for a selection property that does not belong to this property. The variation cannot be saved as long as this is the case.How to recognise the problemWhen you save the variation, the message Invalid selection ID given for this property. appears.How to fix the problemReload the page without the browser cache and save again.Look for the selection property with the invalid value on the variation.Remove the property link and link the property again with a valid value.If you are importing, check whether the selection ID belongs to the property.

No. Once a property has been created with a type, it cannot be changed afterwards. The property must be deleted and created again.In order to delete a property, all existing links to the variants must be removed beforehand.