# "the project could not be compiled" error with UE 4.10.1 but not with 4.11.0 **URL:** \ **Category:** Programming & Scripting\ **Tags:** unreal-engine\ **Created:** [January 5, 2016, 1:51am UTC](https://forums.unrealengine.com/t/the-project-could-not-be-compiled-error-with-ue-4-10-1-but-not-with-4-11-0/343127 "2016-01-05T01:51:43Z")\ **Posts on this page:** 1\ **Showing post:** 12
**Author:** ![anonymous\_user\_41845f4a](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_41845f4a](https://forums.unrealengine.com/u/anonymous_user_41845f4a)\ **Post date:** [February 4, 2016, 7:40pm UTC](https://forums.unrealengine.com/t/the-project-could-not-be-compiled-error-with-ue-4-10-1-but-not-with-4-11-0/343127/12 "2016-02-04T19:40:50Z")
Hello , I’m sorry to hear that you’re still having these issues. I have found something else to test in the meantime since we last spoke however. To make sure, the error you’re still having is the one in the first image in your original post correct? If so, follow the steps at the following link about Environment Variables to make sure that your Environment Variables are set up correctly in Windows. > **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)** > > After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — https://unrealcommunity.wiki/! You will be able to find content from... --- _[View the full topic](https://forums.unrealengine.com/t/the-project-could-not-be-compiled-error-with-ue-4-10-1-but-not-with-4-11-0/343127)._