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Acronis Backup extension in Plesk doesn't work: ERROR: Acronis\Common\Lib\JsonRpc\ErrorResponseException: Internal error (SocketClient.php:133)

Symptoms

Opening Acronis Backup extension in Plesk returns an error:

ERROR: Acronis\Common\Lib\JsonRpc\ErrorResponseException: Internal error (SocketClient.php:133)

Cause

Acronis services/processes are stuck.

Resolution

  1. Connect to the server via SSH

  2. Restart the Acronis services:

    # systemctl restart acronis_*

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Date Votes
  • We are experiencing this issue on multiple Plesk servers. Restarting the services or rebooting the server doesn't work.

    Logs show the local agent is responsive, but the error (SocketClient.php:133) happens exactly when Plesk calls getBackupPlanInfo(), causing a timeout.

    This started a few days ago. Could a recent Plesk update be the cause?

    1

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