Sage 300 Error: Could not Open UI
Summary
Error: “Could not open the UI. The system may be busy because another application (such as data a conversion application) has locked the company’s database. Otherwise, the UI was not opened because an unexpected error has occurred.” when starting any Icon in Sage 300 ERP workstation installation.
Other workstations on same network working correctly.
Cause
Issue was found to be with AVG Security Suite Firewall. If the AVG Firewall was temporarily disabled then the Sage 300 ERP UIs worked correctly.
Resolution
Customer’s IT Support will contact AVG to troubleshoot AVG Firewall settings to allow traffic with database server.