VLookup reference another sheet

Harry Scarrott
edited 12/09/19 in Smartsheet Basics


I am trying to do vlookups that reference another sheet. The main sheet has 13,000 cells, but when I create the link, it says its been denied as the limit is 25,000. I should still have 12,000 cells free. 

Does anyone know what is happening here?

Thank you