The error message is generated as SelectPay is unable to read the file with the information that has been selected. Listed below are potential solutions.
File format
Check that the import follows the template correctly.
Ensure the file is saved as either CSV (comma-delimited) or Text (tab-delimited).
Ensure the correct import format is selected based on the file type.
If you are still having issues after checking the above, ask to speak to our support team, attaching a copy of the import file.