ID:150008 Can't generate design file <name>

CAUSE: You directed the Quartus Prime software to create a design file for the selected block, but you did not specify a legal name for the design file. As a result, the Quartus Prime software could not generate the specified file. This message can occur when you do not have access to the file location you specified for the file.

ACTION: Click OK to close the message dialog box, and then specify a legal path and file name, and make sure you have access to the path you specified for the file.