When I enable the Meta Box Builder plugin I get the following errors displayed on Save of a new metabox:
Warning: Invalid argument supplied for foreach() in /home/emarise/public_html/wp-content/plugins/meta-box/inc/meta-box.php on line 362
Warning: Invalid argument supplied for foreach() in /home/emarise/public_html/wp-content/plugins/meta-box/inc/meta-box.php on line 151
Warning: Invalid argument supplied for foreach() in /home/emarise/public_html/wp-content/plugins/meta-box-builder/inc/class-meta-box-processor.php on line 82
Warning: Cannot modify header information - headers already sent by (output started at /home/emarise/public_html/wp-content/plugins/meta-box/inc/meta-box.php:362) in /home/emarise/public_html/wp-includes/pluggable.php on line 1207