Go to your Business Manager at https://business.facebook.com and configure access to the Pages you want to use with Nonli.
1. Verify the result#
Check the exact external account or domain, the Nonli brand assignment, your permissions, and the connection status before repeating the operation. Third-party interfaces and capabilities can change independently of Nonli, so use the current labels and official platform requirements. When escalation is necessary, provide the affected public identifier, timestamp, exact error, and completed checks—never credentials, tokens, or private customer data.