Since you recently updated to the latest release of Pro Maps for Google, one test you can do is to create a blank page in your project. Try creating a map with directions by following the tutorial. Let me know how that goes.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.