The "ℚ𝔹 cannot communicate with the company file" error occurs when ℚ𝔹 fails to connect to the file stored on a server or another system. This issue is often caused by network connectivity problems, incorrect hosting settings, or firewall restrictions.

Steps to Fix the Issue:
Check Network Connection – Ensure both the server and workstation are connected to the same network.
Run ℚ𝔹 Database Server Manager – Open ℚ𝔹 Tool Hub > Network Issues > Run Database Server Manager to scan for connection problems.
Verify Hosting Settings – On the server, go to File > Utilities > Host Multi-User Access and make sure only the host system has hosting enabled.
Adjust Firewall and Security Settings – Add ℚ𝔹 to firewall exceptions to prevent security software from blocking communication.
Restart ℚ𝔹 – Open Run (Windows + R) > Type "services.msc" > Find and restart the service.
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https://help.boox.com/hc/en-us/community/posts/35322977534868-%C4%86%F0%9D%90%9A%E1%92%AA%E1%92%AA-How-do-I-fix-%E2%93%86%E2%92%B7-cannot-communicate-with-the-company-file-error
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