Unknown error occurred in DAQ assistant

[akashganeshan]

Message showing unknown error has occurred during place the daq assist in block diagram

I am trying to connect with LabVIEW 2020 with NI Elvis II+ prototyping board so when I try to pick up the Daq assistant in the block diagram, Then the message pops with "an unknown error has occurred" and the option available to click is 'ok' only. If I click 'ok', It remains same. I tried repair all daqmx drivers and software bundle and elviss' also but there is no progress. I need some solution for this to sort out 

[Bob_Schor]

Are you sure you have the Elvis Driver?  I forget what its "real" name is, but you should be able to open a Test Panel for the Elvis and make it "do things" in MAX.  If you don't have the Driver, then the Dreaded DAQ Assistant (which I do not recommend) won't work.

Bob Schor