Create Other Module

[mdestafadilah]

Do you have way how to create module? i have little problem, when i create module, i call dokter, there show me some error like this:

`Severity: Notice

Message: Undefined property: Pages::$published_date

Filename: core/Model.php

Line Number: 52`

i try to convert my backend app, from canvas to pagestudio cms....

Thanks any help.