Acronis Backup extension in Plesk can not perfrom some operations: Declaration of Modules_AcronisBackup_OperationsListAdapter::count() must be compatible with CommonPanel_View_List_Paginator_Array::count(): int

Dmitry Bystrov

1 year ago

Symptoms

Some operations in the Acronis Backup extension in Plesk Obsidian 18.0.51 #1 fail with:

ERROR: Declaration of Modules_AcronisBackup_OperationsListAdapter::count() must be compatible with CommonPanel_View_List_Paginator_Array::count(): int (OperationsListAdapter.php:120)

Cause

Bug in the Acronis Backup extension with ID CI-22922 which is planned to be fixed in the upcoming version 1.8.

Resolution

Until the bug is fixed, apply the following workaround:

Connect to the server via SSH.
Back up the original OperationsListAdapter.php file:

# cp /usr/local/psa/admin/plib/modules/acronis-backup/library/OperationsListAdapter.php{,.backup}
Download the attached file with the patch:

# wget https://support.plesk.com/hc/en-us/article_attachments/13753279190167/OperationsListAdapter.php
Replace the current file with the downloaded one:

# mv -f OperationsListAdapter.php /usr/local/psa/admin/plib/modules/acronis-backup/library/OperationsListAdapter.php

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