# Power Armor UPS bug (Experimental build 4671)

**URL:** <https://discourse.cataclysmdda.org/t/power-armor-ups-bug-experimental-build-4671/11690>\
**Category:** The Garage\
**Created:** [April 11, 2016, 2:49pm UTC](https://discourse.cataclysmdda.org/t/power-armor-ups-bug-experimental-build-4671/11690 "2016-04-11T14:49:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Michi](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/michi/32/2213_2.png) [@Michi](https://discourse.cataclysmdda.org/u/Michi)\
**Post date:** [April 11, 2016, 2:49pm UTC](https://discourse.cataclysmdda.org/t/power-armor-ups-bug-experimental-build-4671/11690/1 "2016-04-11T14:49:17Z")

</div>

version: 0.C-12802-g1f2abca (tiles).

Put on Power Armor, picked up a full UPS. Activate power armor, walk in any direction, get an error message:  
Tried to set ammoof none for UPS

in file item.cpp  
line: 245  
function ammo\_set

But it does decrements the UPS charge.

If I turn on my bionic UPS, it works fine