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help with remove.Instance function removing the wrong row

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Hi there,

I have been working on Livecycle forms for about two weeks now and have been able to work out quite a bit of what I need to do.  However, I am really hoping someone can help me with a two problems that I cannot seem to solve. 

The first one is; if I click on the 'remove a row' function on my form and it is the only row, it comes up with an error message,  How do I stop that from being displayed?  I think I need to use the IF function with >1 but cannot seem to get it to work.

Secondly, if for example I add two rows using the +row button to make three rows and in rows 1&2 I input some data.  If I then want to delete row 3 and press the -Row button it deletes row number 2 and the data in that row and leaves row number 3.  How can I change it so that when I delete a row it deletes row number three and leaves row number 2.  essentially, I need it to delete rows from the bottom up and not from the top down.  Hope this makes sense.  Any help would be greatly appreciated!

Attached is a link to my form.

https://copy.com/RiktBtj0uiSA

Thank you.

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