City officials say food trucks can't park in metered spaces.
Denon Moore and her husband, Sean, had hoped to sell gourmet cupcakes to downtown office workers.
But she tells a local TV station a city inspector told them their truck was in violation.
City officials say vendors can apply for a license, for a fixed, off-street location.
But officials concede a better solution is needed.
A city advisory group is now studying the food truck issue.
