# Engine crash when adding 'Tick' to HideCategories in a blueprint or in C++

**URL:** <https://forums.unrealengine.com/t/engine-crash-when-adding-tick-to-hidecategories-in-a-blueprint-or-in-c/309574>\
**Category:** Blueprint\
**Tags:** unreal-engine, crash, bug-report, question, CPP, Blueprint\
**Created:** [March 6, 2015, 6:51am UTC](https://forums.unrealengine.com/t/engine-crash-when-adding-tick-to-hidecategories-in-a-blueprint-or-in-c/309574 "2015-03-06T06:51:30Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![RoyAwesome](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@RoyAwesome](https://forums.unrealengine.com/u/RoyAwesome)\
**Post date:** [March 6, 2015, 6:51am UTC](https://forums.unrealengine.com/t/engine-crash-when-adding-tick-to-hidecategories-in-a-blueprint-or-in-c/309574/1 "2015-03-06T06:51:30Z")

</div>

Reproduction steps:

Create Blueprint

Go to Blueprint props.

Hide Categories → Add “Tick”

Compile and save.

Try to edit the default values. It crashes. You can also crash it the same way by closing the blueprint and re-opening it.

It also happens when adding Tick to HideCategories in C++.

---

<div class="post-metadata">

**Author:** ![anonymous\_user\_a08c0bf2](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_a08c0bf2](https://forums.unrealengine.com/u/anonymous_user_a08c0bf2)\
**Post date:** [March 6, 2015, 6:04pm UTC](https://forums.unrealengine.com/t/engine-crash-when-adding-tick-to-hidecategories-in-a-blueprint-or-in-c/309574/2 "2015-03-06T18:04:28Z")

</div>

Hey ,

Thank you so much for reporting this crash to us. I have been able to successfully reproduce this crash and I have entered a bug into our system. For tracking purposes, the bug number is: UE-11412. If for any reason you’d like to check on this bug, feel free to contact us again and reference UE-11412.

Thank you, have a great weekend! 🙂