# Foliage completely warped after upgrade from 4.12.5 to 4.14 **URL:** \ **Category:** World Creation\ **Tags:** upgrade, UE4-14, unreal-engine, Foliage, question\ **Created:** [November 21, 2016, 10:02am UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987 "2016-11-21T10:02:36Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![PatsuKiki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@PatsuKiki](https://forums.unrealengine.com/u/PatsuKiki)\ **Post date:** [November 21, 2016, 10:02am UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/1 "2016-11-21T10:02:36Z")
Hey guys and gals. So before upgrading, the scene’s foliage instances were like this. [![](https://d3kjluh73b9h9o.cloudfront.net/original/4X/0/9/4/09487c90108b60b02da1183a2043c66bbd821f9e.jpeg) ](https://i.imgur.com/hVpNeEu.png) and after upgrading / converting up, it has gone to the twilight zone. [![](https://d3kjluh73b9h9o.cloudfront.net/original/4X/e/c/9/ec9f53d3cd26d915de4a0f04947bde1c3ef389c9.jpeg) ](https://i.imgur.com/fvfpW6d.png) To be honest, I have no idea where to begin with troubleshooting this problem and my first thought was ANSWERHUB, as there is a wealth of amazing knowledge here and I get the feeling I’m not gonna be the first one with this bug / issue. I really would love to know the solution as opposed to deleting all the foliage and starting over, (which will be doing in the future anyway as this is all proxy foliage / trees) but I’d much rather learn how to avoid the issue in the future. Any help / ideas much appreciated 🙂 Thank you ---
**Author:** ![JackP](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@JackP](https://forums.unrealengine.com/u/JackP)\ **Post date:** [November 22, 2016, 11:30am UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/2 "2016-11-22T11:30:11Z")
Hi PatsuKiki, Would you be able to send me a copy of your 4.12 project so I can debug what’s going on? I haven’t seen anything like this and I’d definitely like to get it fixed! If you are able to send me a dropbox etc link, you can mail it to jack.porter at epicgames dot com. Jack ---
**Author:** ![PatsuKiki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@PatsuKiki](https://forums.unrealengine.com/u/PatsuKiki)\ **Post date:** [November 22, 2016, 12:14pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/3 "2016-11-22T12:14:23Z")
Hi Jack, unfortunately no longer have the file on Dropbox as we run out of space after converting to 4.14. I do still have a copy of the 4.12.5 project. Though right now, I don’t have the time to re upload but will do some time at the end of the week. Many . ---
**Author:** ![JackP](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@JackP](https://forums.unrealengine.com/u/JackP)\ **Post date:** [November 22, 2016, 12:21pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/4 "2016-11-22T12:21:21Z")
, the working 4.12.5 project will be most helpful in tracking this down. Cheers Jack ---
**Author:** ![PatsuKiki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@PatsuKiki](https://forums.unrealengine.com/u/PatsuKiki)\ **Post date:** [November 22, 2016, 12:40pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/5 "2016-11-22T12:40:39Z")
I just found a backup of the project on my one drive from a few days ago, I’ve shared the folder with the email you gave me. Let me know if there’s any issues, cheers Craig ---
**Author:** ![anonymous\_user\_0c62419a](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_0c62419a](https://forums.unrealengine.com/u/anonymous_user_0c62419a)\ **Post date:** [November 23, 2016, 2:58pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/6 "2016-11-23T14:58:57Z")
Hi ParsuKiki, Please leave a comment here if Jack replies to you in regards to this issue. That way I will know when this post is resolved. ! Ed ---
**Author:** ![PatsuKiki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@PatsuKiki](https://forums.unrealengine.com/u/PatsuKiki)\ **Post date:** [November 23, 2016, 4:22pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/7 "2016-11-23T16:22:26Z")
Will do. Will be sharing it this evening. Cheers ---
**Author:** ![JackP](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@JackP](https://forums.unrealengine.com/u/JackP)\ **Post date:** [November 25, 2016, 7:56am UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/8 "2016-11-25T07:56:43Z")
Hi, for the project file The foliage problem seems to be caused by the fact that the static mesh LODs have become corrupted for your speedtree (Pine-5). This is visible if you open the static mesh editor and choose LOD 1 or 4 rather than AutoLOD. As well as showing corrupted geometry, the number of triangles is different, and the Screen Size value for each of the LODs is different to 4.12. I’ve filed ticket UE-39031 to fix this. For now you might want to reimport your speedtree mesh. Secondly I noticed the terrain surface is black at times. This seems to be related to the LOD tessellation support we added in 4.13. I’m still looking at the exact cause but it looks like some corruption occurs in the derived data cache. I did see this in one of our test maps also. If you make any change to the landscape material, or clear out the Landscape Material property and then reassign it, it will fix this issue. Cheers Jack ---
**Author:** ![PatsuKiki](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@PatsuKiki](https://forums.unrealengine.com/u/PatsuKiki)\ **Post date:** [November 25, 2016, 12:32pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/9 "2016-11-25T12:32:27Z")
Brilliant, that’s good to know then and I hope it has helped ironed out any kinks for further releases. for letting me know. ---
**Author:** ![anonymous\_user\_0c62419a](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_0c62419a](https://forums.unrealengine.com/u/anonymous_user_0c62419a)\ **Post date:** [November 28, 2016, 8:52pm UTC](https://forums.unrealengine.com/t/foliage-completely-warped-after-upgrade-from-4-12-5-to-4-14/376987/10 "2016-11-28T20:52:48Z")
Here is a link to the pubilc JIRA for convenience: [Unreal Engine Issues and Bug Tracker (UE-39031)](https://issues.unrealengine.com/issue/UE-39031)