ERROR: Document not found

An Element object describing the DOM element object matching the specified ID, or null if no matching element was found in the document

NOT FOUND - The requested document was not found on this server

documents required for mhada lottery NOT FOUND - The requested document was not found on this server

document facebook lottery winner certificate The requested resource was not found The second error would What would cause Liferay to be aware of the file but not able to actually find it?