Sheet Name Blank in published report

I have a report in Smartsheet that is displaying sheet name, along with a couple of other fields. When i view it in report mode, i can see it. However, when I view it in Publish view or PDF, the column displays as blank. However when you hover your cursor over the column header, you can see there is data in the field (see light blue shading in attached image). I do not believe I have added any formatting to any of this. Does anyone know how to fix?