Problems with the upgrade of Enfold

Hi,
I have some issues with the upgrade of Envato. When I try to upgrade it, I receive those error:

Warning: strrpos() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/envato-market/inc/admin/class-envato-market-admin.php on line 191
Aggiornamento del tema Enfold (1/1)

Warning: strpos() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/envato-market/inc/admin/class-envato-market-admin.php on line 217

Warning: preg_match() expects parameter 2 to be string, array given in /home/nickand5/public_html/wp-admin/includes/class-wp-upgrader.php on line 258

Warning: file_exists() expects parameter 1 to be a valid path, array given in /home/nickand5/public_html/wp-admin/includes/class-wp-upgrader.php on line 258

Warning: strip_tags() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-admin/includes/class-bulk-upgrader-skin.php on line 61
Download dell’aggiornamento da …

Warning: parse_url() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-admin/includes/file.php on line 970

Warning: strpos() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/envato-market/inc/class-envato-market-github.php on line 160

Warning: strpos() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/envato-market/inc/class-envato-market-items.php on line 235

Warning: stripos() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/jetpack/functions.global.php on line 132

Warning: parse_url() expects parameter 1 to be string, array given in /home/nickand5/public_html/wp-content/plugins/jetpack/functions.global.php on line 137

How can I fix it?