This is a connection error. Please make sure that you are connected to the dastsource which you are using. It is not a error. it is asking you to connect with the follwing database. please look into the following article:Resolving Incorrect Data Type Issues Related to Jet | Tableau Software
Also you should try using and extract instead of a live connection. This will fix the issue.
Right click on the datasource and extract
I tried using extract issue still persist
I read article and under stood some error in measures & Dimen
but didnt get solution in article
Try to install the jet drivers and try to do it. as your connecting with a live connection . The connection is lost everytime when you have a network problem. Please make sure that create an extract and then try it.
In your picture we can see that is a live connection . please try this once and check whether the issue still persists,