# ❔ Troubleshooting

In case you encounter any issues while using ReVanced Manager, please refer to this page for possible solutions.

- 💉 Patching fails with an error

  Make sure ReVanced Manager is up to date by following [🔄 Updating ReVanced Manager](2_3_updating.md) and select the **Default** button when choosing patches.
  
- 💥 App not installed as package conflicts with an existing package

  An existing installation of the app you're trying to patch is conflicting with the patched app. Uninstall the existing app before installing the patched app.

- 🥛 Out Of Memory error

  This indicates that your device is not giving ReVanced Manager enough memory to patch the app.

  Turning on  `⚙️ Settings -> Advanced -> toggle "Run Patcher in another process (experimental)"` may solve the issue.

- ❗️ Error code `135`, `139` or `1` when patching the app

  Your device is not supported. Refer to the [Prerequisites](0_prerequisites.md) page for supported devices.

  Alternatively, you can use [ReVanced CLI][ReVanced CLI GitHub]) to patch the app.

  [ReVanced CLI GitHub]: https://github.com/revanced/revanced-cli

- 🚫 Non-root install is not possible with the current patches selection

  Select the **Default** button when choosing patches.

- 🚨 Patched app crashes on launch

  Try selecting the **Default** button when choosing patches, if the patched app still failed, file an issue at [ReVanced Patches][ReVanced Patches GitHub].

  [ReVanced Patches GitHub]: https://github.com/revanced/revanced-patches

## ⏭️ What's next

You have successfully finished the guide for on how to use ReVanced Manager.

If you wish to review the Table of Content for how to use ReVanced Manager, feel free to do so.

Continue: [💊 ReVanced Manager](/docs/README.md)