---
title: Resolving Failed Guest Update Errors
description: "Steps to resolve the \"Failed to update guest!\" error on mPOS. Learn how to verify information, retry saving, and report updates to support."
---

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2. [mPOS](https://customers.aioapp.com/knowledgebase/mpos?hsLang=en)
3. [How to troubleshoot Auth and API Operation Errors](https://customers.aioapp.com/knowledgebase/mpos?hsLang=en#how-to-troubleshoot-auth-and-api-operation-errors)

# Resolving Failed Guest Update Errors

## What This Means

**This error occurs because the customer's details couldn't be saved. The system encountered an issue while trying to update or overwrite existing guest information.** 

### **How to Fix It**

To complete the customer detail update, follow these exact steps:

1. **Verify details:** Check that all the details entered (e.g., name, phone number, email) are accurate and formatted correctly.
2. **Retry saving:** Attempt to save the guest information again in the mPOS app.
3. **Document and report:** If the problem persists, note down the changes you were trying to make and report them to support.

---

#### **Still Need Help?**

If you have verified all fields and retried saving, but the customer profile continues to fail to update, please contact your Support Team for further assistance. 

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