Board3

Your Portal Version: 1.0.0RC3
Your phpBB Type: Standard phpBB3
MODs installed: No
Your knowledge: Beginner
Boardlink: http://www.fanarco.net/plus/index.php

What have you done before the problem was there?
Dear sir
How can i convert my current phpbb plus 1.53 to phpbb3 portal

What have you already tryed to solve the problem?
I used the old database for plus 1.53 to be the same with the new portal version

Description and Message
I need to convert from plus 1.53a to portal 3

That is currently not possible. You will have to convert your phpbb plus to phpBB3, then you can add Board3 Portal.