# Error saving .umap **URL:** \ **Category:** Platform & Builds\ **Tags:** Builds, unreal-engine\ **Created:** [July 12, 2016, 10:29am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773 "2016-07-12T10:29:58Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![anonymous\_user\_dcf96d2f](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_dcf96d2f](https://forums.unrealengine.com/u/anonymous_user_dcf96d2f)\ **Post date:** [July 12, 2016, 10:29am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/1 "2016-07-12T10:29:58Z")
I suddenly am not able to save my project… I didn’t do any strange thing. Here the [screen](http://i.imgur.com/baXIaDG.png) ---
**Author:** ![anonymous\_user\_dcf96d2f](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_dcf96d2f](https://forums.unrealengine.com/u/anonymous_user_dcf96d2f)\ **Post date:** [July 12, 2016, 10:33am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/2 "2016-07-12T10:33:08Z")
Works now… you can close/delete. ---
**Author:** ![honkhub](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@honkhub](https://forums.unrealengine.com/u/honkhub)\ **Post date:** [November 29, 2018, 12:18am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/3 "2018-11-29T00:18:14Z")
Hey! I know it was long time ago, but could you please tell me how did you fixed it? I’m facing same problem in 4.20 ---
**Author:** ![rmclachlan\_TCR](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/rmclachlan_tcr/32/484990_2.png) [@rmclachlan\_TCR](https://forums.unrealengine.com/u/rmclachlan_TCR)\ **Post date:** [March 4, 2020, 11:17am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/4 "2020-03-04T11:17:02Z")
In case anyone gets here via Google, the usual reason for this error message is that you have two copies of the editor running. Check task manager and background processes as well. ---
**Author:** ![GoLionMk2](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@GoLionMk2](https://forums.unrealengine.com/u/GoLionMk2)\ **Post date:** [March 13, 2020, 1:56am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/5 "2020-03-13T01:56:54Z")
@rmclachlan_TCR THANK YOU for taking the time to post solution. Saved me. So simple! ---
**Author:** ![Zenahr](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Zenahr](https://forums.unrealengine.com/u/Zenahr)\ **Post date:** [May 1, 2020, 9:50pm UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/6 "2020-05-01T21:50:47Z")
@rmclachlan_TCR wow… thanks a lot! That was exactly what was going on… wouldn’t have check without you nudging us to check if multiple editors are running. Thanks a lot. ---
**Author:** ![rit](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@rit](https://forums.unrealengine.com/u/rit)\ **Post date:** [May 17, 2021, 2:37am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/7 "2021-05-17T02:37:42Z")
Thanks, man! This saves me tons of time! ---
**Author:** ![scottunreal](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@scottunreal](https://forums.unrealengine.com/u/scottunreal)\ **Post date:** [May 17, 2021, 5:38am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/8 "2021-05-17T05:38:45Z")
Wish they simply included that suggestion in the Error Message itself. ---
**Author:** ![ixicalibur](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@ixicalibur](https://forums.unrealengine.com/u/ixicalibur)\ **Post date:** [May 17, 2021, 6:08am UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/9 "2021-05-17T06:08:47Z")
Pro tip: The freeware\* app “[process lasso](https://bitsum.com/)” can be configured to only allow one instance of any given app to be opened. It also can be configured to control process priority, allowing you to boost shader compile threads making them faster, similar to the marketplace app. It also stops computer crashes by lowering intensive processes so it keeps the pc responsive even under heavy load (you can configure games/etc to always use full resources) It’s the single best app I have ever found, highly recommend it. - _Has paid extras_ Edit: Forgot to mention it can also switch power plans by CPU load or preconfigured app list, making it valuable to switch from high perf/idle power plans, saving power and heat output. ---
**Author:** ![imnotthatmatt1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@imnotthatmatt1](https://forums.unrealengine.com/u/imnotthatmatt1)\ **Post date:** [November 25, 2024, 9:55pm UTC](https://forums.unrealengine.com/t/error-saving-umap/68773/10 "2024-11-25T21:55:14Z")
Oh god thank you so much, I thought some file had gotten corrupted and I’d have to spend all day fixing it and lose all momentum on the work I’ve been doing, and then you just came along 4 years ago and reminded me of my other virtual desktop. Thank you so much and I hope you have a wonderful day