--- title: "Configuration Manager for Contact Center Internal Error Occurred When Logged in to Multiple Tenants" slug: "configuration-manager-contact-center-internal-error-multiple-tenants" updated: 2026-04-21T10:41:54Z published: 2026-05-21T21:25:58Z canonical: "help.8x8.com/configuration-manager-contact-center-internal-error-multiple-tenants" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.8x8.com/llms.txt > Use this file to discover all available pages before exploring further. # Configuration Manager for Contact Center Internal Error Occurred When Logged in to Multiple Tenants ## Symptom When an administrator opens Configuration Manager for Contact Center for multiple tenants in the same browser session they see an error that reads, *"An internal error occurred. Please log out and in again."* ## Applies To - Configuration Manager for Contact Center - Multiple 8x8 Contact Center Tenants ## Resolution Either use separate browsers to open Configuration Manager for multiple tenants or close one instance of Configuration Manager before using another. ## Cause You can only log in to one tenant's Configuration Manager in a browser session at a time. Every login sets a cookie that nullifies the previous login.