Google Spreadsheet Import Range #REF! Error (Randomly)

Question

This problem has been persistent for a while, just happens every so often at random times, nothing changing. I also do not know how to reproduce the problem, but I\'ll give a de

Answer 1

This is a little late, but I came across it in a search so it might help someone else - try something like this:

=IFERROR(ImportRange(SpreadSheet_GUID,"Bookings!P:P"), 
 IFERROR(ImportRange(SpreadSheet_GUID,"Bookings!P:p"), 
 IFERROR(ImportRange(SpreadSheet_GUID,"Bookings!p:P"), 
         ImportRange(SpreadSheet_GUID,"Bookings!p:p"))))

Basically the idea is to force Google to recalc using variations of the original address (upper/lower case column letters).