ID:14691 WYSIWYG I/O Output Buffer primitive "<name>" uses bus hold function and is not connected properly. The Quartus Prime software will unmap the illegal buffer and ignore the bus hold property.

CAUSE: The specified I/O Output Buffer primitive has a bus hold property and is not connected properly.

ACTION: Check your design to make sure that the specified output buffer is properly connected to a top-level pin without any other logics in between.

ID:14691 WYSIWYG I/O Output Buffer primitive "<name>" uses bus hold function and is not connected properly. The Quartus&nbsp;Prime software will unmap the illegal buffer and ignore the bus hold property.