Joomla! Template LT School - Item Support

When I try to use SP Page Builder and I put my user, It doesn't respond ** trim(): Argument #1 ($string) must be of type string, stdClass given** appears that message in a blank page
Another cuestion, where do I change the footer "Copyright © 2021 Free Joomla! 4 templates / Design by LTheme" ???
Item Name:
LT School
Author:
Downloads:
2562
Sales:
232
Created:
2014-09-06
Updated:
2023-05-04
Item Version:
7.1.0
Supported Joomla:
Joomla 4 Product
$29.00 $21.75
Regular License
This item may be used for a single domain only.
$39.00 $29.25
Extended License

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