Open AutoCAD, BricsCAD, or ZWCAD, and launch the Spatial Manager plugin/application.
| Error Message | Probable Cause | Solution | | :--- | :--- | :--- | | | Typo or key mismatch | Check for confusing characters (0 vs O). Copy-paste directly from your invoice. Confirm you downloaded the correct version (AutoCAD vs BricsCAD). | | "Key already in use" | You are trying to activate on a 2nd PC without a multi-seat license. | Deactivate the license on the old PC first (via the Spatial Manager settings). Or, buy an additional seat. | | "Activation limit exceeded" | Major hardware changes (new motherboard/CPU). | Contact support. Explain you upgraded your PC. They will reset your activation counter. | | "License server unreachable" | Corporate firewall blocking port 80 or 443. | Ask your IT admin to whitelist activation.spatialmanager.net . Or switch to offline activation. | | "Expired key" | You used a time-limited trial or educational key. | Renew your maintenance plan. | spatial manager activation key
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