i’m facing this error while using the endpoint below, to break the inheritance of permissions at itemlist level const spHttpClient: SPHttpClient = this.context.spHttpClient; spHttpClient.get(wUri + /_api/web/lists/GetByTitle(‘ValueTrailStep1’)/items(‘1’)/breakroleinheritance(copyRoleAssignments=false,clearSubscopes=true) , SPHttpClient.configurations.v1).then((response: SPHttpClientResponse) => { response.json().then((result) => { console.log(result); }); }); Please helpRead more