Excel Map Chart Not Showing

Hi everyone, I am currently racking my brains - I have Office 365 installed an updated - my Excel version is is 2007 (Build 13029.20344). However, I can no longer create any map charts. Existing maps I have created shows the message:

"This chart isn't available in your version of Excel. Editing this shape or saving this workbook into a different file format will permanently break the chart". 

To note, I haven't changed the file or changed the file type. The map feature was working fine until now.

I have searched everywhere for a solution but with no luck, any assistance would be appreciated. 

Thanks.