ID:212004 Programming file of type <type> is not supported

CAUSE: The Quartus Prime software does not support the specified file type of the programming file you selected in the Files list or typed in the File name list in the Open dialog box. The programming file types you can select are Chain Description Files (.cdf), Programmer Object Files (.pof), and SRAM Object Files (.sof). This problem occurs when you have selected All Files in the Files of type list.

ACTION: Click OK to close the message dialog box and specify a supported file type.