OK there's a couple of things to try:-
1) I get lots of problems when I put the comments before the php in config_custom.php, can you change it to this and see if that fixes it:-
<?php
//
// North East Kansas Abstracts Project
2) If it doesn't fix it immediately then...
You only included a couple of screenshots, nowhere near enough to debug I'm afraid, are you able to record your screen.
Whatever you are doing you're not ending up with a clean database before you reinstall dadabik it would appear.
There were a couple of minor issues but the main one is you still had a bunch of dadabik tables in that SQL extract. You *must* remove these to get a clean install.
I've succesfully installed your testing table onto a DB on my host, I've emailed you the details - can you try and log on and...
This likely means you haven't removed the dadabik tables from your database as that's the only place dadabik stores information. Can you create a new DB with one table - a test table with only one field and a couple of entries. See if you can get Dadabik working with that.
At present once you have finished editing permissions for a group on a table if you want to copy them to another group you need to click on "Copy Permissions" then remember to select the table from the drop down list as it defaults to your first table. It would be better if the table you are...
It may be that the old path is in your cookies/cache. Have you tried clearing them or using a different browser/ incognito mode.
What version of Dadabik are you using?
I would start again, it sounds like it's very screwed up (technical term I know).
Create a new empty database.
Restore your data to it but not any dadabik tables (those starting with the prefix you defined in config_custom.php).
Create a new directory on your Web Server.
Copy the original...