TypeError: Cannot read property 'style' of null
    at b.ManageConditionsController.self.conditionConfirmation (manageconditions.controller.js?cache=1565203117390:52)
    at fn (eval at compile (angular.js:14817), <anonymous>:4:362)
    at b (angular.js:15906)
    at e (angular.js:25885)
    at b.$eval (angular.js:17682)
    at b.$apply (angular.js:17782)
    at HTMLElement.<anonymous> (angular.js:25890)
    at HTMLElement.dispatch (jquery-1.12.4.min.js?cache=1565203117390:3)
    at HTMLElement.r.handle (jquery-1.12.4.min.js?cache=1565203117390:3)
(anonymous) @ angular.js:13920