Not rendering video

Each time i try to render a video, thuis is the message I get. It simply fails each time.

Error completing render.

Writing with exporter: H.264
Writing to file: \\?\D:\Cove Highlights\Howard 8 yd TD.mp4
Writing file type: H264
Around timecode: 00:00:00:01 - 00:00:00:16
Component: H.264 of type Exporter
Selector: 9
Error code: 3