[Mobile Device Connector not installed.]

Hi, linux system. The console itself works properly but I can't add any mobile devices. I have a message in my status:

Mobile Device Connector not installed.

 

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MDMCore systemctl status eramdmcore
● eramdmcore.service - ESET Security Management Center Mobile Device Connector
   Loaded: loaded (/etc/systemd/system/eramdmcore.service; enabled; vendor preset: enabled)
   Active: active (running) since Thu 2020-09-03 19:33:20 CEST; 12min ago
  Process: 7199 ExecStart=/opt/eset/RemoteAdministrator/MDMCore/ERAMDMCore --daemon --pidfile /var/run/eramdmcore.pid (code=exited, status=0/SUCCESS)
 Main PID: 7201 (ERAMDMCore)
    Tasks: 42 (limit: 2312)
   Memory: 88.7M
   CGroup: /system.slice/eramdmcore.service
           └─7201 /opt/eset/RemoteAdministrator/MDMCore/ERAMDMCore --daemon --pidfile /var/run/eramdmcore.pid

wrz 03 19:33:20 eset.host systemd[1]: eramdmcore.service: Main process exited, code=killed, status=2/INT
wrz 03 19:33:20 eset.host systemd[1]: eramdmcore.service: Succeeded.
wrz 03 19:33:20 eset.host systemd[1]: Stopped ESET Security Management Center Mobile Device Connector.
wrz 03 19:33:20 eset.host systemd[1]: Starting ESET Security Management Center Mobile Device Connector...
wrz 03 19:33:20 eset.host systemd[1]: Started ESET Security Management Center Mobile Device Connector.

 

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trace log

 

 

2020-09-03 17:33:22 W [140309458888448] MultiAgentOverloadReporter: Reporting OK, with 0 out of 200 last connections unsuccessful.
2020-09-03 17:33:22 I [140309458888448] Logging to directory /var/log/eset/RemoteAdministrator/MDMCore/Proxy/
2020-09-03 17:33:28 W [140309182797568] Module Update: Perform Update: ignore module update, no license.
2020-09-03 17:33:32 E [140309065365248] EPNS: Failed to configure: No license available
2020-09-03 17:33:33 S [140309199582976] Status:
 Version: 7.2.5197.0
 AsioTcpInstance.Count: 0
 AdminConnector: Connected: false
 CertManager: no change in progress
 AgentConnector: Attempted connections: 0 Completed connections: 0 Clean disconnections: 0
 AgentManager: Total active agents: 0 Agents rotated since last report: 0
 HTTP (enrollment): Attempted connections: 0
 HTTP (mdm): Attempted connections: 0

2020-09-03 17:33:52 E [140309065365248] EPNS: Failed to configure: No license available
2020-09-03 17:34:21 E [140309307180800] ConnectionPool: No module is subscribed for message EventLog_QOS_DATABASE_EVENT (10107)
2020-09-03 17:34:32 E [140309157619456] EPNS: Failed to configure: No license available
2020-09-03 17:35:52 E [140309199582976] EPNS: Failed to configure: No license available
2020-09-03 17:38:26 E [140308545246976] AdminConnector: Unable to send message(s), Pending: 4 Reason: Not connected
2020-09-03 17:38:32 E [140309182797568] EPNS: Failed to configure: No license available
2020-09-03 17:43:52 E [140309149226752] EPNS: Failed to configure: No license available
2020-09-03 17:43:56 E [140308545246976] AdminConnector: Unable to send message(s), Pending: 4 Reason: Not connected

 

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MDC Server up and running!