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Plesk graphical interface (GUI) is not accessible: Call to a member function getAttribute() on a non-object (DefPackageMng.php:231)

Daniel Yordanov

Updated April 15, 2024 22:33

Plesk for Windows kb: technical

Applicable to:

Plesk for Windows

Symptoms

Plesk Obsidian running on a Windows Server
One of the following errors is shown when logging into the Plesk GUI:

ERROR: Call to a member function getAttribute() on a non-object (DefPackageMng.php:231)

ERROR: Call to a member function getAttribute() on null (DefPackageMng.php:258)

Cause

The file %plesk_dir%\admin\db\defpackagemng.xml is either absent or corrupted.

Resolution

Connect to the server via RDP
Move the file to another location (if it exists)
Run Command Prompt as the Windows Administrator
Execute the command below to regenerate the defpackagemng.xml file:
C:\> "%plesk_bin%\defpackagemng.exe" --get --force

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