---
title: "Processing error"
url: "https://docs.adyen.com/errors/processing-error"
source_url: "https://docs.adyen.com/errors/processing-error.md"
canonical: "https://docs.adyen.com/errors/processing-error"
last_modified: "2026-05-27T15:14:08+02:00"
language: "en"
---

# Processing error

[View source](/errors/processing-error.md)

## Cause

Adyen APIs return this error when:

* Our servers are unable to process the request.

## Solution

Reach out to your Adyen contact to check and investigate the error.

## Error codes

Find the specific cause and solution for each error code.

***

### 99\_500 - Error processing request

**Cause**: Generic catch-all error.\
**Solution**: Reach out to your Adyen contact to check and investigate the error.