Blue info banner at the bottom of the screen is blank

For some reason, the blue info banner, which normally has a brief discription of what is on each channel simply says:  To Be Announced and the rest of the banner is blank on each channel.  It is a great convenience when it is working since it enables the viewer to quickly channel surf through the line up.  I attempted to reset the cable box to no avail but I was hoping someone may have encountered this problem before.  About the only thing I can think of now is to replace the cable box, unless someone can suggest a fix for it.  Thank you