# Explain how to fix the problem

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Create **actionable error messages**. That is, after explaining the cause of
the problem, explain how to fix the problem.

Not recommended
> The client app on your device is no longer supported.

Recommended
> The client app on your device is no longer supported. To update the client app, click the **Update app** button.

Here's a second example:

Not recommended
> Could not fetch resource:  
> - Quota 'CPUS' exceeded. Limit: 1.0 in region us-central-1.

Recommended
> You requested 2.0 CPUs, which exceeds your quota of 1.0 CPUs in the us-central-1 region. To fix the problem, take either of the following actions:  
> - Increase your CPU quota in the us-central-1 region.  
> - Make your request in a region where you have more CPU quota.  
> See *\[URL of documentation\]* for details.

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**Next unit:** [Provide examples](https://developers.google.com/tech-writing/error-messages/provide-examples)