ID:150050 Can't open file <name>

CAUSE: You attempted to open a Graphic Design File (.gdf), but the Quartus Prime software cannot open the file. This message can occur when the BDF or GDF is in an illegal or older format that cannot be read by the Quartus Prime software.

ACTION: Click OK to close the message dialog box, and then make sure the BDF or GDF is in a legal format.

CAUSE: You attempted to open a Block Symbol File (.bsf), but the Quartus Prime software cannot open the file. This message can occur when you have edited the BSF outside the Quartus Prime software.

ACTION: Click OK to close the message dialog box, and then recreate the BSF for the specified symbol.

CAUSE: You attempted to open a Text Design File (.tdf).

ACTION: Click OK to close the message dialog box, and then create the BSF for the specified symbol.