# Fix 502 Bad Gateway – nginx, PHP-FPM & Plesk

Website shows 502 Bad Gateway? nginx, PHP-FPM crashed, Plesk error, disk full – webspace troubleshooting step by step.

**Quick answer:** 502 Bad Gateway: **restart PHP-FPM**, **check disk space**, disable faulty **plugin** and increase PHP memory_limit.

**If you landed here:** Browser shows "502 Bad Gateway" instead of your website.

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