Unable to access Plesk after upgrade: Array and string offset access syntax with

[mahesh]

Question:
Unable to access Plesk after upgrade: Array and string offset access syntax with curly braces is no longer supported
Symptoms

• Unable to access Plesk GUI with the error:

Code Select Expand

Array and string offset access syntax with curly braces is no longer supported (lessc.inc.php:717)


• Plesk was recently upgraded to 18.0.50 version.
• The Auto-update feature is disabled from Extensions>Updates.

Cause
The version of the Skins and Color Schemes extension is outdated.

Resolution

• Log into the server via RDP.
• Start a command prompt as an Administrator.
• Execute the command below to update the Skins and Color Schemes extension:

Code Select Expand

c:\>plesk bin extension --install heavy-metal-skin