Starting receiving this error:
Fatal error: ob_start() [<a href='ref.outcontrol'>ref.outcontrol</a>]: Cannot use output buffering in output buffering display handlers in /home/fortknox/public_html/wp-content/plugins/gigpress/output/gigpress_related.php on line 38
while using the gigpress 'add details to related post' feature.
Error was removed when switching to using a shortcode (which i embeded in my template file via do_shortcode to recreate the same feature. No error now.
Apparently my setup isn't liking stacking.