Uncaught Error: seele_previous_post_link(): Argument #4 ($excluded_categories) must be of type string, null given, called in /home2/tpasoftc/public_html/svlstudios/wp-content/themes/seele/single-portfolio.php on line 55
in /home2/tpasoftc/public_html/svlstudios/wp-content/themes/seele/inc/core/common-functions.php on line 1517

Call stack:

1. seele_previous_post_link('%link', '<i class="icon-chevr...><span>%title</span>', true, NULL, 'project-type')
   wp-content/themes/seele/single-portfolio.php:55
2. include('/home2/tpasoftc/publ...single-portfolio.php')
   wp-includes/template-loader.php:106
3. require_once('/home2/tpasoftc/publ.../template-loader.php')
   wp-blog-header.php:19
4. require('/home2/tpasoftc/publ...s/wp-blog-header.php')
   index.php:17