: Ensure you are running SAP2000 with administrative privileges. Right-click the application icon and select Run as Administrator to bypass User Account Control (UAC) restrictions.
This fixes corruption.
: If changes were recently made to the license file, the license manager on the server must be restarted (or "Reread") to recognize the new data. Summary of Component Requirements Software Version Required Sentinel RMS Version SAP2000 v18 and later Sentinel RMS License Manager v8.6 or newer ETABS v17 / SAP2000 v21+ Sentinel RMS License Manager v9.2 or newer sap2000 license not recognized error 18 fixed