Incorrect header & Footer displayed

Hi,

When viewing my website at https://cullingworthparishcouncil.gov.uk/document-archive/ the header displays correctly (and no footer is displayed).

When I click on a link for instance meeting agenda 2015, https://cullingworthparishcouncil.gov.uk/download-category/meeting-agenda-2015/ the header is not correct… the menu structure is broken

How can I fix this?

Thanks
Tony

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