Resolve invalid keys, domain/IP mismatches, missing panel versions, stale checks and download authorization failures.

Message or symptomWhat to checkLicense could not be activatedUse the complete KBILL- activation key, registered domain, current server IP and correct system clock.Cached license permits accessThe last signed response is still valid but the authority check failed. Verify DNS, outbound HTTPS and authority availability.Panel version awaiting syncRun the installed panel’s license check, then confirm the installation renewal request includes the current version.License not activated for downloadUpdate the authority bridge to a version that permits an active paid license to download the installer before first activation.Stable release unavailablePublish a full stable package from the authority’s Product Releases screen; incremental updater ZIPs do not satisfy customer downloads.Invalid portal credentialsMatch portal client ID, base64 32-byte secret, hostname and exact outbound source IP allowlist.

Safe reissue

When the installation moves, use the controlled reissue action. Rotating the activation key can recover access but should not be the routine fix for synchronization or deployment errors.