Column tally stopped working when extending the table manually.

Hi!

Here column H automaticallly tallies amounts entered in column F. (file attached).

When extending the table manually, the formula in the last cell of H changes its own range to read the bottom of the table, at that point tallying in column H goes weird when I enter figures into column F.

It should work even when I extend the table down. (All my other columns seem to continue correctly except H).

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