Problem with import::readdata in mupad

When i first inported the data from a .dat file mupad could read them. Now just stop working and is giving Error: Cannot open file "file". [import::readdata] Any ideas?

Thank You

[Walter Roberson]

Check to see if you are still in the proper directory.

Also please show us the exact command you are using.

[Iason]

yes it was a directory problem. Thank you!