ub-tool not installing

Hi Zafooba,
The ub-tool folder is automatically generated during the installation process. It seems has the file/folder permission of your server prevents from creating such folder successfully.
Before installing our tool, you must enable the Write permission for Magento’s user (web server user) on the ‘pub’ folder.
Kindly check again.
Regards,
Mall.

Hi there,

Can you send me your Ip address for me to whitelist and I will send ssh / access?

You could use our office IPs as followings:
113.190.252.133
118.70.176.221
113.190.254.239
Let’s provide me the admin credentials, ssh credentials, web root path of your instance and phpMyadmin credentials of your Magento2’s database. I will check further and help you out.
Regards,
Mall.

 Hi there,
I have checked in your instance and see the Magento ver.2.1.8 : http://i.prntscr.com/ABu66ImhQEOeC0nJmrIS5Q.png
But i see the source code of ver.3.1.1 of our tool in the pub/ub-tool/ folder in your working now.
Please note that, the version.3.1.1 using only for Magento ver.2.2.0 and later. For compatible with Magento ver.2.1.8 you must to install the version 3.1.0 of our tool. 
I see in reply #2, you have mentioned:

I had a fresh magento 2.2 available so I installed the 3.1.2 and copied the ub-tool over but it doesnt seems to work, it’s probably the wrong ub-tool.

You shouldn’t do that in future.
Now i will help you to clear current source code of our tool in your instance (it was not matched)
And then, i will help to reinstall the version 3.1.0 for your instance.
Kindly pause all your activities at your end.
Regards,
Mall.

Hi there,

Getting the error: Error 500
mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known“

Did you get that issue after save settings in the step #1 of our tool? That relates to MySQL connection.
Please re-correct the M1’s database credentials. If the issue still persists, please contact to your system admin or hosting provider to get help on that.
Regards,
Mall.

Hi there,

The requested component (“0”) is not found.

I have checked your back-end and see that issue happened with Downloadable Product products.
I checked further in your current Magento 2’s database and see the root of that issue relates to two custom product attributes as in this screenshot: https://prnt.sc/hd55sr
As you see the attributes with the code ‘preorder’ and ‘preorderdescript’ has the 0 value in the ‘frontend_input’ field which is not compatible with the new working rules of Magento 2.
And I detected the same situation in your Magento 1’s database as well: https://prnt.sc/hd56rs
So, you can see that issue related to your Magento’s database itself.
To solve that, you must re-update the values of the frontend_input field for that attributes (replace ‘0’ with ‘text’)
To update you could run SQL statement as follows:

UPDATE eav_attribute SET frondend_input = 'text' Where attribute_code IN ('preorderdescript', 'preorder');

Once done, please clean the Magento cache.
And tell me know how it goes then.
Regards,
Mall.