# Unreal Engine Integration Troubleshooting

Below we list some common problems and issues.

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<summary>I cannot get the texture sharing to work.</summary>

In most cases this is due to some Unreal Engine plugins being misconfigured. Please follow [this troubleshooting guide](https://docs.lightact.com/real-time-content-playback/unreal-engine-integration-overview/unreal-engine-integration-troubleshooting/texture-sharing-troubleshooting). It will help pinpoint the cause of the issues.

</details>

<details>

<summary>Texture is available, but it's wrong</summary>

The causes could include:

* Thrower2UCam and Projector2UCam workflow relies on Unreal cameras being a perfect match to LightAct's throwers or projectors. It has been observed that **Player start** actor can mess up nDisplay viewports, because it moves the entire nDisplay configuration.

</details>

<details>

<summary>nDisplay instance isn't launched or it crashes instantly</summary>

* Avoid all spaces in filepaths,especially the path to your nDisplay configuration file.
* Check that you have nDisplay plugin enabled.
* Check that you are using the correct version of Unreal Engine and LightAct plugin. Also check that you've enabled all required plugins.
* Try launching your cluster with Unreal's Switchboard application and see if it works there. You can find out detailed instructions on Unreal Engine's documentation.

</details>
