Article ID: 125102, created on Apr 2, 2015, last review on Apr 2, 2015

  • Applies to:
  • Plesk 11.5 for Windows


Creating a new client or subscription results in error:

Internal error.
ERROR: Method name must be a string (DSMail.php:83)

While accessing Tools & Setting > Mail Settings another error is shown:

Install the rblsmtp software.


Mail server components are not properly synchronized after micro-updates installation.


Refresh server components in Tools & Settigs > Server Management

Or run the command below:

"%plesk_bin%\defpackagemng.exe" --get --force  

Search Words

Install the rblsmtp software

Method name must be a string

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Internal error

ERROR: Method name must be a string (DSMail.php:83)

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