# HELP! My Lightning Node is not loading after upgrade to 1.1

**URL:** <https://community.umbrel.com/t/help-my-lightning-node-is-not-loading-after-upgrade-to-1-1/17436>\
**Category:** Support and Troubleshooting\
**Created:** [May 27, 2024, 11:51am UTC](https://community.umbrel.com/t/help-my-lightning-node-is-not-loading-after-upgrade-to-1-1/17436 "2024-05-27T11:51:03Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![MR.S](https://avatars.discourse-cdn.com/v4/letter/m/cdc98d/32.png) [@MR.S](https://community.umbrel.com/u/MR.S)\
**Post date:** [May 27, 2024, 11:51am UTC](https://community.umbrel.com/t/help-my-lightning-node-is-not-loading-after-upgrade-to-1-1/17436/1 "2024-05-27T11:51:03Z")

</div>

My lighting node is not loading, here is the error,

lightning\_lnd\_1 | error setting cert before unlock: unable to generate or renew TLS certificate: open /data/.lnd/tls.key: no such file or directory  
lightning\_lnd\_1 | 2024-05-27 11:44:53.895 [INF] LTND: Version: 0.17.5-beta commit=v0.17.5-beta, build=production, logging=default, debuglevel=info  
lightning\_lnd\_1 | 2024-05-27 11:44:53.895 [INF] LTND: Active chain: Bitcoin (network=mainnet)  
lightning\_lnd\_1 | 2024-05-27 11:44:53.896 [ERR] LTND: Shutting down because error in main method: error setting cert before unlock: unable to generate or renew TLS certificate: open /data/.lnd/tls.key: no such file or directory  
lightning\_lnd\_1 | 2024-05-27 11:44:53.896 [INF] LTND: Shutdown complete

---

<div class="post-metadata">

**Author:** ![smolgrrr](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.umbrel.com/smolgrrr/32/2825_2.png) [@smolgrrr](https://community.umbrel.com/u/smolgrrr)\
**Post date:** [May 29, 2024, 1:33pm UTC](https://community.umbrel.com/t/help-my-lightning-node-is-not-loading-after-upgrade-to-1-1/17436/2 "2024-05-29T13:33:55Z")

</div>

Hi @MR.S please try this fix here

> [@Help getting umbrel lightning node working again - stopped out of nowhere. SSL error?](https://community.umbrel.com/t/help-getting-umbrel-lightning-node-working-again-stopped-out-of-nowhere-ssl-error/16029/7):
>
> - Open a terminal window on your computer. On macOS, you can open the Terminal app that’s installed by default on every Mac. On Windows, you can open Command Prompt or the PowerShell app.
> - Type in the following command `ssh -t umbrel@umbrel.local` and press the Enter key
> - Run `sudo rm ~/umbrel/app-data/lightning/data/lnd/tls.cert` and `sudo rm ~/umbrel/app-data/lightning/data/lnd/tls.key`
> - You can then run `umbreld client apps.restart.mutate --appId lightning`. After restarting, new certs will be populated for you.

---

<div class="post-metadata">

**Author:** ![MR.S](https://avatars.discourse-cdn.com/v4/letter/m/cdc98d/32.png) [@MR.S](https://community.umbrel.com/u/MR.S)\
**Post date:** [May 30, 2024, 4:12pm UTC](https://community.umbrel.com/t/help-my-lightning-node-is-not-loading-after-upgrade-to-1-1/17436/3 "2024-05-30T16:12:09Z")

</div>

Awesome Thank you so much!