Try running below commands in sequence & then upload latest package to app catalog: gulp clean gulp build gulp bundle --ship gulp package-solution --ship After running above commands, you will find package (.sppkg) file in sharepoint\solution folder inside the project folder.


You can load & use FontAwesome CSS in your SPFx web part like this: public constructor() { super(); SPComponentLoader.loadCss("https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"); } this.domElement.innerHTML = `<div class="${styles.errorMessage}"><i class="fa fa-times-circle" aria-...


In general column values are available as follows: response.value[0].Id and lookup should be accessible as response.value[0].Attachment.Id Please check this MS Article explaining how to fetch and render the data. You can check _getListData and _renderList methods how response is extracted(though it's not lookup but will give you glimpse of data extraction)...

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