# i cant activate Revision Control in my UEFN map 

**URL:** <https://forums.unrealengine.com/t/i-cant-activate-revision-control-in-my-uefn-map/2853485>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine, UEFN, fortnite\
**Created:** [November 10, 2026, 6:06pm UTC](https://forums.unrealengine.com/t/i-cant-activate-revision-control-in-my-uefn-map/2853485 "2026-11-10T18:06:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![boxcreative](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@boxcreative](https://forums.unrealengine.com/u/boxcreative)\
**Post date:** [November 10, 2026, 6:06pm UTC](https://forums.unrealengine.com/t/i-cant-activate-revision-control-in-my-uefn-map/2853485/1 "2026-11-10T18:06:02Z")

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### Summary

Hello, i accidentally deactivated my Lore Revision control in my uefn map, and now when trying to activate it again it gives me the following error: “revision control: connection error: the lore repository id could not be determined”, i even had some check ins to my revision in this map before, please help

### Please select what you are reporting on:

Unreal Editor for Fortnite

### What Type of Bug are you experiencing?

Lore

### Steps to Reproduce

Activate Lore Revision Control

### Expected Result

getting Error “revision control: connection error: the lore repository id could not be determined”

### Observed Result

“revision control: connection error: the lore repository id could not be determined”

### Platform(s)

PC

### Upload an image

 ![ggg.PNG](https://d3kjluh73b9h9o.cloudfront.net/original/4X/d/9/6/d96ee29925ff78892f742360a597359c27e7607e.png)

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<div class="post-metadata">

**Author:** ![Flak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/flak/32/769441_2.png) [@Flak](https://forums.unrealengine.com/u/Flak)\
**Post date:** [November 12, 2026, 12:02pm UTC](https://forums.unrealengine.com/t/i-cant-activate-revision-control-in-my-uefn-map/2853485/2 "2026-11-12T12:02:25Z")

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Hi @boxcreative, could you try the following?

- Close uefn
- Remove .lore directory
- Start uefn and open project
  - Be patient as data directory gets rebuilt