Possibly unhandled rejection: undefined

[yilin6867]

Hi,
The console is outputting an error as a result of canceling the time picker or clicking on other parts of the screen. The following is the stack tree. I am using AngularJS 1.8.1.

Possibly unhandled rejection: undefined
(anonymous) @ angular.js:15697
(anonymous) @ angular.js:11956
g @ angular.js:18107
$digest @ angular.js:19242
(anonymous) @ angular.js:19562
Yg.completeTask @ angular.js:21385
(anonymous) @ angular.js:6879
setTimeout (async)
Fg.h.defer @ angular.js:6877
$evalAsync @ angular.js:19560
(anonymous) @ angular.js:17947
k @ angular.js:18123
l @ angular.js:18150
h @ angular.js:18134
(anonymous) @ angular.js:18369
(anonymous) @ angular.js:6426
(anonymous) @ angular.js:6485
r @ angular.js:388
_resolve @ angular.js:6484
(anonymous) @ angular.js:6477
(anonymous) @ angular.js:6331
_tick @ angular.js:6397
complete @ angular.js:6476
v @ angular-animate.js:1259
q @ angular-animate.js:1321
xg @ angular.js:3891
d @ angular.js:3879