I have created a roll up field which totals up a currency value from another entity called "offers". Currently there is one record missing from the roll up field. I have recreated the roll up parameters in an advanced find and I can see the missing record but can not get it to be included in the roll up. I even tried changing the roll up parameters to specifically call the missing record but still couldn't manage. I've tried specifically calling other records and succeeded. This gives me the impression that there is an issue with the particular record.
The parameters for the roll up are below.
And here is the record that is missing. I have highlighted the fields relating to the roll up above.
Any idea why this particular record would not be pulling through?