Power Query Error - Expression.Error: We cannot convert a value of type Table to type List.

[kunal_mehta1]

Hi all, 

I am getting this error in Power Query Editor,

Expression.Error: We cannot convert a value of type Table to type List.
Details:
Value=[Table]
Type=[Type]

the current data source is Json file and i am trying to change the data source to csv file. When i do that, i am getting this error message after the refresh. Please help if anyone knows how to fix it.