# Leaf Setup error : Invalid Signature **URL:** \ **Category:** Legato Linux distribution (Yocto project)\ **Created:** [June 16, 2019, 12:49pm UTC](https://forum.legato.io/t/leaf-setup-error-invalid-signature/4423 "2019-06-16T12:49:53Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![devaiah](https://avatars.discourse-cdn.com/v4/letter/d/8edcca/32.png) [@devaiah](https://forum.legato.io/u/devaiah)\ **Post date:** [June 16, 2019, 12:49pm UTC](https://forum.legato.io/t/leaf-setup-error-invalid-signature/4423/1 "2019-06-16T12:49:53Z")
I am getting the following error when execute the command “leaf setup wp76xxstable -p swi-wp76\_4.0.0”: _W: GPG error: [http://updatesite.sierrawireless.com/developerStudio3/debian](http://updatesite.sierrawireless.com/developerStudio3/debian) release/ InRelease: The following signatures were invalid: B8FE1028C4B6273DDDD9874EBB7E31ABF32351C8_ _E: The repository ‘[http://updatesite.sierrawireless.com/developerStudio3/debian](http://updatesite.sierrawireless.com/developerStudio3/debian) release/ InRelease’ is not signed._ _N: Updating from such a repository can’t be done securely, and is therefore disabled by default._ _N: See apt-secure(8) manpage for repository creation and user configuration details._ _Error during installation: Error during install step for swi-verify-aptdeps\_1.1.190109 (command returned 100)_ _ERROR:_ - Profile provisioning interrupted\* _CAUSED BY:_ - Error during install step for swi-verify-aptdeps\_1.1.190109 (command returned 100)\* Kindly, help resolve this. Regards, Devaiah ---
**Author:** ![mehdiALL1](https://avatars.discourse-cdn.com/v4/letter/m/f6c823/32.png) [@mehdiALL1](https://forum.legato.io/u/mehdiALL1)\ **Post date:** [July 29, 2019, 4:33pm UTC](https://forum.legato.io/t/leaf-setup-error-invalid-signature/4423/2 "2019-07-29T16:33:31Z")
@devaiah, what is your leaf version please? can you create another workspace and starting from scratch?