Color-based image segmentation in openFrameworks

Fatal error: Uncaught Error: Call to undefined function bluecadet_posted_on() in /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-content/themes/bluecadet-2018/content.php:13 Stack trace: #0 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-includes/template.php(690): require() #1 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-includes/template.php(647): load_template('/srv/bindings/f...', false) #2 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-includes/general-template.php(155): locate_template(Array, true, false) #3 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-content/themes/bluecadet-2018/index.php(18): get_template_part('content', 'post') #4 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-includes/template-loader.php(74): include('/srv/bindings/f...') #5 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-blog-header.php(19): require_once('/srv/bindings/f...') #6 /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/index.php(17): require('/srv/bindings/f...') #7 {main} in /srv/bindings/f4b424d4bfc944e5ae797dd75b30f426/code/wp-content/themes/bluecadet-2018/content.php on line 13