What does Err:520 mean in a cell? [closed]
I have a spreadsheet that links to an external spreadsheet. It worked fine in 4.1 and earlier. However, in 4.2.0-2 one cell, linking to a cell on a specific page in another sheet, fails with 'Err:520' if the other sheet is not open at the time the first sheet's links are updated. Several other cells in the first sheet link to other pages in the external sheet and work correctly. There are no apparent errors in the other sheet, and the link is created by copying the cell in the external sheet, then using Edit-Paste Special-Create Link as for all the others that work. The update works correctly with no other changes if the external sheet is also open in LO at the time of the update. Very annoying - it's time to downgrade back to 4.1.