ID:189000 Can't open dockable window -- can't load library "<name>". <text>.

CAUSE: You attempted to open a dockable window in the Quartus Prime software, but the Quartus Prime software cannot load the specified library, which is needed to open the dockable window.

ACTION: Click OK to close the message dialog box, and then check to see that the library exists. If the library does not exist, reinstall the Quartus Prime software.