- Plesk Onyx for Linux
When logging as a customer (Customers > John Doe > Log in as a customer) the following error is shown:
PLESK_ERROR: Unable log in as a customer: ERROR: Call to a member function execute() on boolean (Config.php:64)
The error below is shown in
CONFIG_TEXT: [2018-01-21 22:56:13] ERR  ERROR: Call to a member function execute() on boolean (Config.php:64)
[21-Jan-2018 22:58:37 America/New_York] PHP Fatal error: Call to a member function execute() on boolean in /usr/local/psa/admin/plib/modules/base-kit/library/BaseKit/Config.php on line 64
BaseKit SiteBuilder extension is installed in Plesk > Extensions.
Extension BaseKit SiteBuilder.
As a workaround, disable the BaseKit SiteBuilder extension under Plesk > Extensions > My Extensions > select BaseKit SiteBuilder > Disable.
To solve the issue contact extension developer at BaseKit support.