# Issue while building experience from Unity **URL:** \ **Category:** 🌵 Needle Engine\ **Tags:** question\ **Created:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844 "2023-11-28T00:00:00Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/1 "2023-11-28T00:00:00Z")
Hi all! I’m currently working on a project using the Needle Unity Package. I built a sample for testing earlier this summer and my demo worked fine (built with gzip compression and deployed with “http-server -g”). Lately i updated the Needle Package and updated some content in my demo. Now, when i test the experience from Unity, everything works correctly, but when i build and start the local server i have some graphic issues and the experience crashes. I will share some screenshot of the visual issues and the errors i get in the console (in the attachments you can see the view i get in build and the one i see from unity). The main problem is that when i load a prefab, i get a “Render loop error” and the experience get stuck with half the asset loaded. You can see the error i get in the attachments. Thanks in advance for the help ! For any images, errors or code snippets needed, ask, and i’ll share it the best way i can! PS: Now i also lost mouse interactions for some reason, if can get an error about that i’m going to share it. ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/b/bd9aeea956a2ad2e7c807a684299383019ca396b.png) ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/5/531c74d3b3d3ec2974b95e7b124113249888c145.jpeg) ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/7/7022cb101c085f8c48a2a2381f994ad595505269.png) [Original Post on Discord](https://discord.com/channels/717429793926283276/1178746039302361098) _by user 191193824372981760_ ---
**Author:** ![Marcel\_Wiessler1](https://forum.needle.tools/user_avatar/forum.needle.tools/marcel_wiessler1/32/21_2.png) [@Marcel\_Wiessler1](https://forum.needle.tools/u/Marcel_Wiessler1)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/2 "2023-11-28T00:00:00Z")
Hi do you get the same error in a local server? Because it’s very hard to understand the error if we’re dealing with minimized and bundled code ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/3 "2023-11-28T00:00:00Z")
Hi! So, if i start the local server from unity, i can’t interact with the UI, in the landing page i get the warnings you see in the first attachment. ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/5/58afb050a5d2d905dda31eda3edc95a2865335bc.png) _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/4 "2023-11-28T00:00:00Z")
when i load a prefab, the browser lags a bit but the level gets loaded. I get these warning: ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/c/c8c4b713315d93559d47a87585ddbedc6346912c.png) ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/5/5cf6748831a19172bd2dcfbb35bb4e631cfb3a70.png) _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/5 "2023-11-28T00:00:00Z")
the only error i get is this: ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/8/8d16eaf41fd70330727a88f0d5aa1b6f664fc440.png) _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/6 "2023-11-28T00:00:00Z")
i also noticed that while the UI is not responsive, other clickable element in the demo are _by user 191193824372981760_ ---
**Author:** ![Marcel\_Wiessler1](https://forum.needle.tools/user_avatar/forum.needle.tools/marcel_wiessler1/32/21_2.png) [@Marcel\_Wiessler1](https://forum.needle.tools/u/Marcel_Wiessler1)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/7 "2023-11-28T00:00:00Z")
Which version of Needle Engine are you using? If you’re using `3.26.0 preview` then you want to update to 3.26.1 because this one had a bug where UI interaction wasnt working anymore. It’s fixed in 3.26.1 ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/8 "2023-11-28T00:00:00Z")
Yes, i’m using the preview version. I’m going to update it and check if the interaction problem is solved! _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/9 "2023-11-28T00:00:00Z")
btw thanks a lot for the help! _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/10 "2023-11-28T00:00:00Z")
Yey interactions are back! Now i can show you the weirdest bug i’ve dealt with lately… The two screencaps are from the local version and from the “deployed” version (with http-server). In the first, you can see the brick wall and lamps correctly, in the second one, the wall uses an other image present in the project as normal map ( the image itself is not a normal map…) and the lamps on the wall are green … i think that’s an issue with reflections, but im still trying to uderstand this issue [https://cdn.discordapp.com/attachments/1178746039302361098/1178993433419976744/image.png?ex=65d47333&is=65c1fe33&hm=6a461f1f0501caab05fd5a1974d950589fc091f0324ef7e653507d31d27e0f95&(image larger than 4 MB)](https://cdn.discordapp.com/attachments/1178746039302361098/1178993433419976744/image.png?ex=65d47333&is=65c1fe33&hm=6a461f1f0501caab05fd5a1974d950589fc091f0324ef7e653507d31d27e0f95&) [https://cdn.discordapp.com/attachments/1178746039302361098/1178993434485346345/image.png?ex=65d47333&is=65c1fe33&hm=dacb277cbeae6f36dea647a14a8dfc0e888fb56a2877779784a2bcdd61cf6e44&(image larger than 4 MB)](https://cdn.discordapp.com/attachments/1178746039302361098/1178993434485346345/image.png?ex=65d47333&is=65c1fe33&hm=dacb277cbeae6f36dea647a14a8dfc0e888fb56a2877779784a2bcdd61cf6e44&) _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/11 "2023-11-28T00:00:00Z")
in the console i get some warnings and two errors (but the errors are relative to my code so i can easily solve it) ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/3/38ca9081bd0b517bb2d1d752952325cdde32dc17.png) _by user 191193824372981760_ ---
**Author:** ![Marcel\_Wiessler1](https://forum.needle.tools/user_avatar/forum.needle.tools/marcel_wiessler1/32/21_2.png) [@Marcel\_Wiessler1](https://forum.needle.tools/u/Marcel_Wiessler1)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/12 "2023-11-28T00:00:00Z")
Can you send a bugreport with this scene? ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/13 "2023-11-28T00:00:00Z")
here on discord or from the webpage? _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/14 "2023-11-28T00:00:00Z")
btw i also get the render loop error caused by this ![image.png](https://europe1.discourse-cdn.com/flex006/uploads/needle1/original/2X/3/352504d546308143e281d7ee1c2db5020f04c408.png) _by user 191193824372981760_ ---
**Author:** ![Marcel\_Wiessler1](https://forum.needle.tools/user_avatar/forum.needle.tools/marcel_wiessler1/32/21_2.png) [@Marcel\_Wiessler1](https://forum.needle.tools/u/Marcel_Wiessler1)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/15 "2023-11-28T00:00:00Z")
In Unity using `Needle Engine/Report a bug` ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/16 "2023-11-28T00:00:00Z")
đź‘Ť _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/17 "2023-11-28T00:00:00Z")
ok, the bug report sould have been uploaded (if unity didn’t lie) _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 28, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/18 "2023-11-28T00:00:00Z")
i have the zipped bugreport if needed _by user 191193824372981760_ ---
**Author:** ![discord-import](https://forum.needle.tools/user_avatar/forum.needle.tools/discord-import/32/33_2.png) [@discord-import](https://forum.needle.tools/u/discord-import)\ **Post date:** [November 29, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/19 "2023-11-29T00:00:00Z")
hi @Marcel_Wiessler1 🌵, is there a way to check progress on the bug report? After the upload made from unity i didn’t get any kind of feedback or url to check in the issue was getting checked. _by user 191193824372981760_ ---
**Author:** ![Marcel\_Wiessler1](https://forum.needle.tools/user_avatar/forum.needle.tools/marcel_wiessler1/32/21_2.png) [@Marcel\_Wiessler1](https://forum.needle.tools/u/Marcel_Wiessler1)\ **Post date:** [November 29, 2023, 12:00am UTC](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844/20 "2023-11-29T00:00:00Z")
Hi sorry for the lack of feedback - we received it [Next page](https://forum.needle.tools/t/issue-while-building-experience-from-unity/844.md?page=2)