Service Unavailable
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# Service Unavailable
If you see the error 'Service Unavailable' on your site it is often down to an issue with PHP. Often changing the PHP version to a different one (an older one) will resolve it and bring the site back up again.
You can change the php version on the PHP & Databases page in the platform, we have a guide for it [here.](https://support.nimbushosting.co.uk/hc/en-gb/articles/9592797094941-Changing-your-PHP-Configuration)
Updated 3 months ago