Hello, i updated the theme like you say me (bug with shortcode portfolio).
Since, i have a fatal error when i activate the new theme :
 

Fatal error: Can’t use function return value in write context in C:\wamp\www\patfoort\wp\wp-content\themes\biz-wp\sections\section-portfolio.php on line 44

Call Stack

#
Time
Memory
Function
Location

1
0.0005
672528
{main}( )
..\index.php:0

2
0.0007
677376
require( ‘C:\wamp\www\patfoort\wp\wp-blog-header.php’ )
..\index.php:17

3
0.9525
44270952
require_once( ‘C:\wamp\www\patfoort\wp\wp-includes\template-loader.php’ )
..\wp-blog-header.php:16

4
0.9601
44557840
include( ‘C:\wamp\www\patfoort\wp\wp-content\themes\biz-wp\landing-page.php’ )
..\template-loader.php:74

5
1.0330
48892424
get_template_part( )
..\landing-page.php:10

6
1.0330
48893136
locate_template( )
..\general-template.php:171

7
1.0332
48893272
load_template( )
..\template.php:477

8
1.0335
48914464
require( ‘C:\wamp\www\patfoort\wp\wp-content\themes\biz-wp\landing-body.php’ )
..\template.php:503

9
1.0667
49046936
get_template_part( )
..\landing-body.php:12

10
1.0667
49047672
locate_template( )
..\general-template.php:171

11
1.0669
49047816
load_template( )
..\template.php:477