Transfer Form not showing error in some cases "Cannot set property 'error_message' of undefined"

[jcalfee]

error using hosted wallet:
TypeError: Cannot set property 'error_message' of undefined
○ at Scope.$scope.payToChanged (https://wallet.bitshares.org/js/app.js:151340:46)
○ at Wallet.refresh_account.then.$scope.refreshing_balances (https://wallet.bitshares.org/js/app.js:151118:18)
○ at processQueue (https://wallet.bitshares.org/js/app.js:22999:27)
○ at https://wallet.bitshares.org/js/app.js:23015:27
○ at Scope.$eval (https://wallet.bitshares.org/js/app.js:24212:28)
○ at Scope.$digest (https://wallet.bitshares.org/js/app.js:24028:31)
○ at https://wallet.bitshares.org/js/app.js:24251:26
○ at completeOutstandingRequest (https://wallet.bitshares.org/js/app.js:14726:10)
○ at https://wallet.bitshares.org/js/app.js:15106:7

Changed to use form "watch" variable as described here: http://stackoverflow.com/questions/19568761/can-i-access-a-form-in-the-controller