Why am I seeing an unexpected error (ANERR)?

Error: "An unexpected error occurred. If you need assistance, Contact SAP Support with the Error Reference Number: ANERR - 10000000000000000012345678"

An unexpected error can occur when:

• Multiple browser windows with SAP Ariba pages are open
• Multiple users are connected to the same account at the same time
• The previous session was not logged out properly and a new session is opened
• An expired link (for example, from a password reset email) is being used to log in

To resolve this error:

1. Delete the cache, cookies, and browsing history of your internet browser.
2. Close all browser windows.
3. Open a new browser window and log into your account via an SAP Ariba login page:
   • To access SAP Ariba Proposals & Questionnaires directly, go to https://proposals.seller.ariba.com
   • To access SAP Business Network, go to https://supplier.ariba.com

If this error persists, contact SAP Support with the ANERR number and the exact steps you took that caused the error.

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