hi admin,
im test in php7.3 and 5.6 . joomla 3.9.15
go templates/sj_plus/layouts
and Open For example main-left-right.xml
edit or add New position and save .
go site
You will see the following error
structure or name of file: main-left-right.xml is not exactly
(select main left right )

or main-right.xml or .... .

How can the problem be fix?

Hello,

Please you go here www.smartaddons.com/support/tickets submit a ticket.

Thanks