Outline tracker - couldn't create account for calendar

[ngocxuyen]

I am using Outline tracker 2.x on pre 2 but when i open this application. i notice that a notification is appeared under dash-bar. that is "couldn't create account for calendar".
Anybody have issue like me. How to resolve it ???? ((((((((

[DougReeder]

When this happens, please select "Help" from the app menu, tap "Send E-Mail" and write a description of what you were doing when the error message occurred.

[ngocxuyen]

this is error:

[DupsyMay]

I get exactly the same error message. Could you solve this problem?