Mariadb Dataflow connection issue

Hi All, 

I have been trying really hard to create dataflow with Mariadb as a source but unbale to do so. 

Below is the error to that i am receiving. 

---------- Message ----------
Unexpected Error

---------- Stack ----------
ApiResponseError: Unexpected Error
at new t (https://us.prod.powerquery.microsoft.com/MashupEditor/scripts/o.a.a*******.bundle.js:2:31556)
at e.value (https://us.prod.powerquery.microsoft.com/MashupEditor/scripts/o.a.a********.bundle.js:2:21252)
at XMLHttpRequest.<anonymous> (https://us.prod.powerquery.microsoft.com/MashupEditor/scripts/o.a.a***********.bundle.js:2:22432)

---------- Session ID ----------
5d5cad1a-1dae-419a-af-8200746a1ffc

---------- Request ID ----------
2886db8d-4b47-450b-ae-a0db0645a39c

---------- Mashup script ----------
section Section1;

Here i am putting all the correct credentials.

I am able to connect direct query with Mariadb with power bi destktop but couldn't do it with dataflow.