---
article_id: KB0394917
article_type: FAQ
component_ids:
  - BNS-ARI-SCA
  - SBN-AN-DISC
  - SBN-AN-TPO
component_descriptions:
  - S2C Administration
  - SAP Business Network for Procurement & Supply Chain > Discovery & Sourcing/Contract Punchout Scenario
  - SAP Business Network for Procurement & Supply Chain > Registration & Onboarding
products:
  - SAP Ariba Sourcing, cloud edition
  - SAP Business Network for Procurement and SAP Business Network for Supply Chain
personas:
  - Supplier
language: en
created: 2025-06-24
updated: 2025-06-25
source: Knowledge Base
url: https://support.ariba.com/item/view/KB0394917
connect_url: https://support.ariba.com/item/view/KB0394917?min=1
sap_for_me_url: https://me.sap.com/notes/KB0394917
---

# How do I resolve an ANERR login error?

## Symptom

- I am unable to access my account because even when I enter the correct sign in information I receive a Bug Report page.
- The application does not complete any actions. Page goes blank after spinning.
- How do I resolve the following login error? An unexpected error occurred. If you need assistance, Contact SAP Support with the Error Reference Number: ANERR - \[error code\]

## Resolution

To resolve the issue:

1. [How do I clear my browser cache and cookies?](https://support.ariba.com/item/view/KB0469925_en?min=0&toolbars=1&gutter=1&popwin=0&footer=1)
2. Close all browser windows
3. Open a new browser window, and login to one of the following Ariba solutions:
   - [SAP Business Network](http://supplier.ariba.com)
   - [Ariba Sourcing](http://proposals.seller.ariba.com)
   - [SAP Business Network Discovery](http://discovery.ariba.com)

If the error persists after trying these steps, [contact SAP Support](https://support.ariba.com/item/view/182284).

## See Also

Make sure to use an [Internet browser that is certified](https://support.ariba.com/item/view/130899) by Ariba.

You can also troubleshoot some other [common browser issues](https://support.ariba.com/item/view/155094).