Error: [$interpolate:interr] Can't interpolate: ,
    {{ projectNumber() }}
    variantID: 
TypeError: Cannot read property 'projectNumber' of undefined
http://errors.angularjs.org/1.2.16/$interpolate/interr?p0=%2C%0A%20%20%20%2…TypeError%3A%20Cannot%20read%20property%20'projectNumber'%20of%20undefined
    at http://localhost:8080/ag-push/scripts/modules.521b218d.js:4:31558
    at Object.$interpolate.fn (http://localhost:8080/ag-push/scripts/modules.521b218d.js:7:9913)
    at Scope.$digest (http://localhost:8080/ag-push/scripts/modules.521b218d.js:8:3030)
    at http://localhost:8080/ag-push/scripts/modules.521b218d.js:8:5107
    at completeOutstandingRequest (http://localhost:8080/ag-push/scripts/modules.521b218d.js:5:28417)
    at http://localhost:8080/ag-push/scripts/modules.521b218d.js:5:31658