# Report Builder "division by zero"

**Category:** [Yahoo Archive](https://www.epiusers.help/c/yahoo-archive/9)
**Created:** 2000-07-18 10:28 UTC
**Views:** 469
**Replies:** 0
**URL:** https://www.epiusers.help/t/report-builder-division-by-zero/483

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## Post #1 by @system

<div id="ygrps-yiv-1537802545">I have a question about Report Builder. (actually may be an easy question<br/>
for some? just not me.)<br/>
I have created a report including job costs.  My problem is that in one of<br/>
the calculations, there is division.  If we have a job that does not have<br/>
cost or a completed qty, there is division that includes a 0, therefore I<br/>
get the &quot;?????????&quot; error in calculation.  When I do a total on a field that<br/>
has &quot;???????&quot; I receive the same answer &quot;?????????????&quot;.  I know in the<br/>
aggregate field I can click on Ignore Unknown or 0, but this does not work.<br/>
Is there a way to have the aggregate ignore an error? <br/>
<br/>
Thank you in advance for your help,<br/>
<br/>
Joy</div>

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**Original content:** https://www.epiusers.help/t/report-builder-division-by-zero/483