Can't add rows to a table
I use Numbers for my business accounts. However, upon opening the password protected spreadsheet today, I am unable to add rows to one of the tables in the spreadsheet.
The table contains 257 rows and 10 columns, a mixture of text, numbers and currency formats, and some formulas. Has been working fine up until now.
I am able to add columns. Right clicking, the 'Add Row Above/Below' options are greyed out. Dragging the table from the bottom corners does not work. When I hit return from the bottom right cell I get the error chime.
I have dragged the .plist preference file out on to the desktop as advised in a different questioners thread, but still no joy.
Anyone have any ideas?
Mac Pro (Early 2008), Mac OS X (10.6.8)