Could not resolve id ‘:@Hidden’ to a model item


Could not resolve id ‘:@Hidden’ to a model item

In Lightswitch server project change property set bydefault false to true.and project gets failed.


The key field ContactId [Guid] is required and ‘Display by Default: false’ but if you change this then the ‘Contact.lsml’ overrides metadata is corrupted and can only be manually corrected. This XML needs deleting.


    Target="ServiceInterface:Contact/Properties[ContactId]" />
    Item=":@Hidden" />

In html client project open property folder and remove this added field property and reload server 
and rebulid project again.


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