# Strange warning message **URL:** \ **Category:** RapidWeaver Classic\ **Created:** [June 11, 2020, 11:08am UTC](https://forums.realmacsoftware.com/t/strange-warning-message/33351 "2020-06-11T11:08:16Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![PJFW01](https://avatars.discourse-cdn.com/v4/letter/p/58956e/32.png) [@PJFW01](https://forums.realmacsoftware.com/u/PJFW01)\ **Post date:** [June 11, 2020, 11:08am UTC](https://forums.realmacsoftware.com/t/strange-warning-message/33351/1 "2020-06-11T11:08:17Z")
Hi all, Has anyone come across the following message when changing the header in any theme? “One or more resources already exist in this project”. It asks if I want to duplicate or replace the resources and I don’t know which one to use. Thanks in advance for any help😀 ---
**Author:** ![Fuellemann](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/fuellemann/32/22871_2.png) [@Fuellemann](https://forums.realmacsoftware.com/u/Fuellemann)\ **Post date:** [June 11, 2020, 11:18am UTC](https://forums.realmacsoftware.com/t/strange-warning-message/33351/2 "2020-06-11T11:18:52Z")
If you use the same name for a Ressource e. g. a favicon. Rename the new ressource to be on the safe side… ---
**Author:** ![PJFW01](https://avatars.discourse-cdn.com/v4/letter/p/58956e/32.png) [@PJFW01](https://forums.realmacsoftware.com/u/PJFW01)\ **Post date:** [June 11, 2020, 11:29am UTC](https://forums.realmacsoftware.com/t/strange-warning-message/33351/3 "2020-06-11T11:29:35Z")
Thank! ---
**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/system/32/25301_2.png) [@system](https://forums.realmacsoftware.com/u/system)\ **Post date:** [July 11, 2020, 9:29pm UTC](https://forums.realmacsoftware.com/t/strange-warning-message/33351/4 "2020-07-11T21:29:38Z")
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